{"title":"Pressure Switches","description":null,"products":[{"product_id":"placeholder-pressure-switches","title":"Pressure Switches — Coming Soon","description":null,"brand":"National HVAC Parts","offers":[{"title":"Default Title","offer_id":62606615904627,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}]},{"product_id":"pressure-switch-draft-inducer-0-50-w-c-n-o","title":"Pressure Switch Draft Inducer -0.50 W.C. N.O.","description":"\u003cdiv class=\"nhvac-product-page\"\u003e\n  \u003cdiv class=\"product-description section\"\u003e\u003cp\u003eThe draft inducer pressure switch monitors that the combustion exhaust is properly venting. Before allowing ignition, it verifies the draft inducer motor is creating sufficient negative pressure in the flue. If pressure is inadequate, it keeps the gas valve closed - a critical safety function to prevent carbon monoxide buildup.\u003c\/p\u003e\u003c\/div\u003e\n  \u003cdiv class=\"failure-symptoms section\"\u003e\n    \u003ch3\u003eSigns This Part Has Failed\u003c\/h3\u003e\n    \u003cdiv class=\"pd-symptoms\"\u003e\n\u003cdiv class=\"pd-symptom\"\u003e\n\u003cspan class=\"pd-symptom-icon\"\u003e!\u003c\/span\u003e\u003cspan\u003eFurnace inducer runs but ignition never happens\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-symptom\"\u003e\n\u003cspan class=\"pd-symptom-icon\"\u003e!\u003c\/span\u003e\u003cspan\u003ePressure switch fault code (Code 31\/33 on most boards)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-symptom\"\u003e\n\u003cspan class=\"pd-symptom-icon\"\u003e!\u003c\/span\u003e\u003cspan\u003eFlue or drain pan blocked with water or debris\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-symptom\"\u003e\n\u003cspan class=\"pd-symptom-icon\"\u003e!\u003c\/span\u003e\u003cspan\u003eSwitch diaphragm cracked or port tubing blocked\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"installation-guide section\"\u003e\n    \u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n    \u003cp\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Moderate - test before replacing.\u003c\/p\u003e\n    \u003cdiv class=\"install-steps\"\u003e\n\u003cdiv class=\"install-step\"\u003e\n\u003cdiv class=\"step-num\"\u003e1\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePower Down Completely\u003c\/strong\u003e\u003cp\u003eTurn off power at the disconnect switch and the circuit breaker. Verify with a non-contact voltage tester. For gas systems, turn off the gas supply valve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"install-step\"\u003e\n\u003cdiv class=\"step-num\"\u003e2\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAccess the Component\u003c\/strong\u003e\u003cp\u003eRemove the access panel (2-4 screws). Locate the component inside the electrical or combustion section of the unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"install-step\"\u003e\n\u003cdiv class=\"step-num\"\u003e3\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePhotograph All Wiring\u003c\/strong\u003e\u003cp\u003eTake clear photos of every wire connection before touching anything. This is your reinstallation reference.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"install-step\"\u003e\n\u003cdiv class=\"step-num\"\u003e4\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRemove the Failed Part\u003c\/strong\u003e\u003cp\u003eDisconnect wire terminals and remove mounting screws or brackets. Note the orientation of the old part for reference.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"install-step\"\u003e\n\u003cdiv class=\"step-num\"\u003e5\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eInstall the New Part\u003c\/strong\u003e\u003cp\u003eMount the new component in the same orientation. Reconnect all wires exactly as shown in your photos. Ensure all terminals are fully seated.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"install-step\"\u003e\n\u003cdiv class=\"step-num\"\u003e6\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRestore Power and Test\u003c\/strong\u003e\u003cp\u003eReplace access panel, restore power at breaker then disconnect. Test thermostat for full heating or cooling cycle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n    \u003cdiv class=\"pro-tip\"\u003e\n\u003cstrong\u003ePro Tip:\u003c\/strong\u003e Before replacing the switch, blow through the rubber port tubing to clear any condensate blockage - 40% of pressure switch faults are caused by a blocked tube, not a failed switch.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"compatibility section\"\u003e\n    \u003ch3\u003eCompatible Brands\u003c\/h3\u003e\n    \u003cp\u003eCarrier, Bryant, Trane, Goodman, Amana, Lennox, Rheem, Ruud, York, Heil\u003c\/p\u003e\n    \u003ch3\u003eOEM Cross Reference\u003c\/h3\u003e\n    \u003ctable class=\"compat-table\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eCompatible Model Numbers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCarrier\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHK06NB007, HK06NB009\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrane\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSWT02543\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGoodman\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eB1370188S, B1370146S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRheem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e42-24025-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eYork\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS1-02531099000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"product-faq section\"\u003e\n    \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n    \u003cdiv class=\"faq-item\"\u003e\n\u003cstrong class=\"faq-q\"\u003eHow do I test a pressure switch?\u003c\/strong\u003e\u003cp class=\"faq-a\"\u003eUse a multimeter on continuity. A normally-open (N.O.) switch should be open at rest and close when the inducer is running. Blow gently into the port tube - you should hear\/feel it click closed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cstrong class=\"faq-q\"\u003eWhat does -0.50 W.C. mean?\u003c\/strong\u003e\u003cp class=\"faq-a\"\u003eThe switch closes (allows ignition) when the inducer creates at least 0.50 inches of water column negative pressure. Match this rating exactly when ordering a replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nhvac-related-links\"\u003e\n\u003ch3\u003eShop Related Parts\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/pressure-switches\"\u003eShop All pressure-switches\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/carrier-parts\"\u003eShop All Carrier Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/hvac-parts\"\u003eShop All HVAC Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62608951345523,"sku":"HK06NB007-OEM","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Replacement","offer_id":62608951378291,"sku":"HK06NB007-REP","price":19.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06NB007-OEM.jpg?v=1775043231"},{"product_id":"carrier-tfaccycrlpelev009a00-pressure-switch-jesotu","title":"OEM Carrier Pressure Switch for TFACCYCRLPELEV009A00","description":"\u003ch1\u003eCarrier OEM Pressure Switch for TFACCYCRLPELEV009A00\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier TFACCYCRLPELEV009A00\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK02LB008\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model TFACCYCRLPELEV009A00. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640253763955,"sku":"CARRIE-TFACCYCRLPELEV009A00-PRESSURE_SWITCH-HK02LB008","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640253796723,"sku":"CARRIE-TFACCYCRLPELEV009A00-PRESSURE_SWITCH-HK02LB008-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_8a294493-4a0f-4afb-8fbb-cf65728a8947.jpg?v=1775038297"},{"product_id":"carrier-tfaccycrlpelev004a00-pressure-switch-jesotu","title":"OEM Carrier LP Gas Pressure Switch HK02LB008 — TFACCYCRLPELEV004A00","description":"\u003ch1\u003eOEM Carrier LP Gas Pressure Switch HK02LB008 for Model TFACCYCRLPELEV004A00\u003c\/h1\u003e\u003cp\u003eThis OEM LP gas pressure switch (part number \u003cstrong\u003eHK02LB008\u003c\/strong\u003e) is the factory-specified replacement for \u003cstrong\u003eCarrier TFACCYCRLPELEV004A00\u003c\/strong\u003e gas furnaces and heating systems. The gas pressure switch monitors incoming propane (LP) supply pressure and proves that safe operating pressure is present before allowing the control board to initiate ignition. When this switch fails or drifts out of calibration, the furnace will typically lock out before or immediately after the ignition sequence begins — leaving you with no heat. Common failure symptoms include a furnace that attempts to start but shuts down within seconds, a blinking fault code indicating a pressure switch fault, or a unit that fails to call for ignition entirely.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e LP (Propane) Gas Pressure Switch | Cut-out pressure: 6.5\" W.C. (inches water column) | OEM-matched setpoint tolerance | Factory-original sensing port and electrical connector configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM part, ensuring exact cut-out pressure calibration. Generic or aftermarket pressure switches can carry wider pressure tolerances, leading to nuisance lockouts or — more critically — failure to shut off gas flow under unsafe pressure conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off gas supply and power to the unit before beginning. Tools needed: ¼\" nut driver, flathead screwdriver, needle-nose pliers. Photograph all wiring and hose port connections before disconnecting. Swap hose connections and spade terminals to the new switch, restore power, and verify ignition sequence completes normally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Note:\u003c\/strong\u003e Designed for \u003cstrong\u003eCarrier TFACCYCRLPELEV004A00\u003c\/strong\u003e LP\/propane-fired heating equipment using the HK02LB008 gas pressure switch. Note that the HK02LB008 has been superseded — the current Carrier direct replacement is \u003cstrong\u003eHK02MB008\u003c\/strong\u003e; confirm the correct part for your application before ordering. Our team is available to verify fitment. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640253862259,"sku":"CARRIE-TFACCYCRLPELEV004A00-PRESSURE_SWITCH-HK02LB008","price":77.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640253895027,"sku":"CARRIE-TFACCYCRLPELEV004A00-PRESSURE_SWITCH-HK02LB008-GEN","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_1822bba0-7d54-4cfe-819e-a56539534144.jpg?v=1775036500"},{"product_id":"carrier-tfaccycrlpelev003a00-pressure-switch-jesotu","title":"OEM Carrier Gas Pressure Switch HK02LB008 — TFACCYCRLPELEV003A00","description":"\u003ch1\u003eOEM Carrier Gas Pressure Switch HK02LB008 for Model TFACCYCRLPELEV003A00\u003c\/h1\u003e\u003cp\u003eThis OEM gas pressure switch (part number \u003cstrong\u003eHK02LB008\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCYCRLPELEV003A00\u003c\/strong\u003e. The pressure switch is a critical safety component that monitors negative pressure created by the inducer draft motor. Once it confirms proper airflow and venting, it closes the circuit and allows the ignition sequence to proceed. When this switch fails or becomes stuck open, the furnace will lockout before ignition — often displaying a pressure switch fault code — leaving you without heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Gas pressure switch | Factory W.C. (water column) rating matched to Carrier TFACCYCRLPELEV003A00 | Single-port or dual-port configuration as factory-specified | OEM-matched hose barb and bracket geometry for direct drop-in fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier part manufactured to exact W.C. trip-point specifications. Aftermarket switches frequently carry ±10–15% W.C. tolerance variances, which can cause nuisance lockouts or, worse, fail to detect a true venting fault — a serious safety risk on gas appliances.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off gas and power before beginning. Tools needed: 1\/4\" nut driver, flathead screwdriver, and a manometer (recommended to verify W.C. after install). Inspect the rubber hose for cracks and replace if brittle. Photograph all hose and wire connections before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier model \u003cstrong\u003eTFACCYCRLPELEV003A00\u003c\/strong\u003e. Always cross-reference the W.C. rating stamped on your existing switch with the HK02LB008 spec sheet before installation. Our fitment team is available to verify compatibility before you order — ensuring you get the right part the first time.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640254288243,"sku":"CARRIE-TFACCYCRLPELEV003A00-PRESSURE_SWITCH-HK02LB008","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640254321011,"sku":"CARRIE-TFACCYCRLPELEV003A00-PRESSURE_SWITCH-HK02LB008-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_6f098f60-bd59-4494-a1d5-6535e8150614.jpg?v=1775031932"},{"product_id":"carrier-tfaccycrlpelev002a00-pressure-switch-jesotu","title":"OEM Carrier LP Gas Pressure Switch HK02LB008 — TFACCYCRLPELEV002A00","description":"\u003ch1\u003eOEM Carrier LP Gas Pressure Switch HK02LB008 for Model TFACCYCRLPELEV002A00\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier LP (propane) gas pressure switch, part number \u003cstrong\u003eHK02LB008\u003c\/strong\u003e, factory-specified for the \u003cstrong\u003eCarrier TFACCYCRLPELEV002A00\u003c\/strong\u003e. The gas pressure switch monitors incoming LP gas supply pressure and interrupts the ignition sequence if pressure falls outside the safe operating range. When this switch fails or drifts out of calibration, the furnace will typically lock out on a pressure fault — resulting in a no-heat call, a flashing fault code, or a system that ignites briefly and then shuts down. Replacing it with the correct OEM part ensures the unit operates within factory-specified safety parameters.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e LP (propane) gas pressure switch | Cut-out pressure: 6.5 in. w.c. | Factory-calibrated | Direct OEM replacement for Carrier\/Bryant applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM switches are pre-set to exact factory cut-out pressure tolerances. Aftermarket alternatives may carry wider calibration variances that can cause nuisance lockouts or, worse, allow operation outside safe LP pressure ranges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off gas supply and power before servicing. Tools needed: 1\/4\" nut driver, needle-nose pliers, and tubing to transfer pressure tap connections. Always confirm replacement cut-out pressure matches your unit's data plate before reinstalling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered by 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Carrier model \u003cstrong\u003eTFACCYCRLPELEV002A00\u003c\/strong\u003e LP gas furnace applications. Note: HK02LB008 has been discontinued by the manufacturer; \u003cstrong\u003eHK02MB008\u003c\/strong\u003e is the OEM-approved direct replacement and ships in its place where stock is exhausted. Verify your unit's gas type (LP\/propane) and pressure switch cut-out rating on the data plate before ordering. Our fitment team is available to confirm compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640254419315,"sku":"CARRIE-TFACCYCRLPELEV002A00-PRESSURE_SWITCH-HK02LB008","price":73.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640254452083,"sku":"CARRIE-TFACCYCRLPELEV002A00-PRESSURE_SWITCH-HK02LB008-GEN","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_b8a80ae3-63c4-411d-9ca0-86d9fb444958.jpg?v=1775036497"},{"product_id":"carrier-tfaccycrlpelev001a00-pressure-switch-jesotu","title":"OEM Carrier Pressure Switch for TFACCYCRLPELEV001A00","description":"\u003ch1\u003eCarrier OEM Pressure Switch for TFACCYCRLPELEV001A00\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier TFACCYCRLPELEV001A00\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK02LB008\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model TFACCYCRLPELEV001A00. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640254517619,"sku":"CARRIE-TFACCYCRLPELEV001A00-PRESSURE_SWITCH-HK02LB008","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640254550387,"sku":"CARRIE-TFACCYCRLPELEV001A00-PRESSURE_SWITCH-HK02LB008-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_3c0dcd71-2812-4fdf-87ee-f4f004defa6c.jpg?v=1775038294"},{"product_id":"carrier-tfaccycrcntrls001a00-pressure-switch-jrhhvr","title":"OEM Carrier Pressure Switch 22#CLS 7#OPN 50\" Leads — HK02ZB038","description":"\u003ch1\u003eOEM Carrier Pressure Switch HK02ZB038 for Model TFACCYCRCNTRLS001A00\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement pressure switch for the \u003cstrong\u003eCarrier TFACCYCRCNTRLS001A00\u003c\/strong\u003e system, sold under part number \u003cstrong\u003eHK02ZB038\u003c\/strong\u003e. The pressure switch is a safety device that monitors negative pressure created by the inducer blower motor to confirm proper draft before allowing the gas valve to open. When the inducer reaches the correct vacuum level, the switch closes and signals the control board to proceed with ignition. A failed pressure switch is one of the most common causes of a furnace that powers on but never reaches the ignition stage — typically presenting as a lockout fault, a blinking error code, or a unit that runs the inducer continuously without lighting.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Close pressure: -0.22\" W.C. (22#) | Open pressure: -0.07\" W.C. (7#) | Lead length: 50\" | Factory-matched OEM tolerances for reliable draft proving\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM component manufactured to exact factory specifications. Generic aftermarket switches often carry wider pressure tolerances that can cause nuisance lockouts or, more critically, fail to detect true draft failure — a potential safety hazard. OEM is strongly recommended for this safety-critical part.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Straightforward swap accessible via the blower\/heat exchanger compartment. Tools needed: Phillips-head screwdriver, 1\/4\" nut driver, needle-nose pliers. Always disconnect power before servicing. Photograph wiring harness connections before removal. Inspect the rubber hose port for cracks or blockages before installing the new switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty against defects. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCYCRCNTRLS001A00\u003c\/strong\u003e. Always verify the W.C. rating and lead length on your unit's existing switch or data plate before ordering to ensure a correct fit. Our HVAC parts specialists are available to confirm fitment — order with confidence and get back up and running today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640255205747,"sku":"CARRIE-TFACCYCRCNTRLS001A00-PRESSURE_SWITCH-HK02ZB038","price":57.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640255238515,"sku":"CARRIE-TFACCYCRCNTRLS001A00-PRESSURE_SWITCH-HK02ZB038-GEN","price":50.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZB038_0f0ad7d4-2915-498c-b684-d34a813510a3.jpg?v=1775036806"},{"product_id":"carrier-tfaccy50dk480427-pressure-switch-jri7yl","title":"OEM Carrier High Pressure Switch 448\/327# — TFACCY50DK480427","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 448\/327# for Model TFACCY50DK480427\u003c\/h1\u003e\u003cp\u003eThis genuine OEM Carrier high pressure switch (part #HK02ZA442) is the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCY50DK480427\u003c\/strong\u003e packaged unit. The high pressure switch continuously monitors refrigerant-side pressure and opens the circuit when system pressure exceeds safe operating limits. When this switch fails or trips, the system may experience nuisance lockouts, short-cycling, or a complete no-cooling condition — even when refrigerant charge and airflow are normal. A faulty switch that won't reset is a clear sign it's time to replace.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opening pressure: 448 PSI | Closing (reset) pressure: 327 PSI | Operating voltage: 240V | OEM Part #: HK02ZA442 | Replaces: HK02ZA439\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier factory-authorized part with exact pressure calibration. Aftermarket switches often carry wider tolerances, risking premature trips or, worse, failure to open — putting compressors and system components at risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always recover refrigerant per EPA Section 608 before disconnecting the switch. Tools needed: refrigerant recovery unit, manifold gauge set, adjustable wrench, multimeter. Verify the circuit is de-energized before handling. Photograph wiring before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier TFACCY50DK480427\u003c\/strong\u003e packaged HVAC unit. Cross-references with internal switch code 448-327# and replaces superseded part number HK02ZA439. Always verify your unit's nameplate pressure ratings before ordering. Our team is available to confirm fitment — contact us before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640257859955,"sku":"CARRIE-TFACCY50DK480427-PRESSURE_SWITCH-HK02ZA442","price":105.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640257892723,"sku":"CARRIE-TFACCY50DK480427-PRESSURE_SWITCH-HK02ZA442-GEN","price":93.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA442_a3e6e634-8301-4156-a0c5-669ce44a020c.jpg?v=1775033473"},{"product_id":"carrier-tfaccy50dk480418-pressure-switch-jri7yl","title":"OEM Carrier High Pressure Switch 448#\/327# for TFACCY50DK480418","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 448#\/327# — HK02ZA442 for Model TFACCY50DK480418\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier high pressure switch (part number \u003cstrong\u003eHK02ZA442\u003c\/strong\u003e), the factory-specified replacement for Carrier model \u003cstrong\u003eTFACCY50DK480418\u003c\/strong\u003e packaged and commercial HVAC equipment. The high pressure switch continuously monitors refrigerant circuit pressure on the high side; when pressure exceeds the \u003cstrong\u003e448 PSI opening threshold\u003c\/strong\u003e, the switch trips and shuts down the compressor to prevent catastrophic equipment damage. The system re-enables operation once pressure drops back to the \u003cstrong\u003e327 PSI closing setpoint\u003c\/strong\u003e. Common failure symptoms include nuisance high-pressure lockouts, compressor short-cycling, or a fault code indicating a high-pressure trip that cannot be reset — all signs this switch may have drifted out of calibration or failed outright.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opening pressure: 448# (PSI) | Closing pressure: 327# (PSI) | Voltage: 240V | OEM Part #: HK02ZA442 | Replaces: HK02ZA439\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part, precision-calibrated to exact setpoints. Off-brand alternatives often use looser pressure tolerances that can allow over-pressure events to go undetected, risking compressor failure and voiding system warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires proper refrigerant circuit safety procedures. Recover system refrigerant before disconnecting the switch. Tools needed: manifold gauge set, flare-nut wrenches, multimeter for continuity verification. Always confirm pressure setpoints match your unit's data plate before installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM drop-in replacement for Carrier model \u003cstrong\u003eTFACCY50DK480418\u003c\/strong\u003e. Always verify the opening\/closing pressure ratings on your unit's data plate or service manual before ordering to confirm this switch matches your application. Have a question about fitment? Our HVAC parts specialists verify compatibility before you order — contact us today and get your system back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640258515315,"sku":"CARRIE-TFACCY50DK480418-PRESSURE_SWITCH-HK02ZA442","price":150.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640258548083,"sku":"CARRIE-TFACCY50DK480418-PRESSURE_SWITCH-HK02ZA442-GEN","price":132.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA442_ccdaa500-812f-4de9-a641-9e4b4caff5f9.jpg?v=1775033434"},{"product_id":"carrier-tfaccy50dk480415-pressure-switch-jri7yl","title":"OEM Carrier High Pressure Switch 448\/327 PSI for TFACCY50DK480415","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 448\/327 PSI for Model TFACCY50DK480415\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier high pressure switch (part number \u003cstrong\u003eHK02ZA442\u003c\/strong\u003e), factory-specified for the \u003cstrong\u003eCarrier TFACCY50DK480415\u003c\/strong\u003e commercial packaged unit. The high pressure switch is a critical refrigerant-circuit safety device that monitors refrigerant pressure on the high side of the system. When discharge pressure exceeds the safe threshold, the switch opens the control circuit and shuts the system down to prevent compressor damage, refrigerant leaks, or catastrophic equipment failure. When the high pressure switch fails or trips, you'll typically see symptoms such as nuisance high-pressure lockouts, an unresponsive compressor, or a system that short-cycles and won't hold a call for cooling.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens at 448 PSI | Closes at 327 PSI | High-pressure refrigerant-circuit safety switch | Replaces superseded part HK02ZA439\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier factory part engineered to exact pressure setpoints. Aftermarket substitutes often carry wider tolerances, risking false trips or — more dangerously — late shutdowns that allow damaging over-pressure conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Refrigerant-side work. A licensed HVAC technician should perform this repair. The system must be recovered before accessing the high-side port. Tools needed: manifold gauge set, recovery machine, refrigerant scale, adjustable wrench, multimeter for continuity verification post-install.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eTFACCY50DK480415\u003c\/strong\u003e commercial packaged unit. Verify your unit's data plate and existing switch PSI ratings before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us anytime.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640258810227,"sku":"CARRIE-TFACCY50DK480415-PRESSURE_SWITCH-HK02ZA442","price":132.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640258842995,"sku":"CARRIE-TFACCY50DK480415-PRESSURE_SWITCH-HK02ZA442-GEN","price":116.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA442_7f3b82b3-2c06-40b6-9491-d731e1db44a1.jpg?v=1775033458"},{"product_id":"carrier-tfaccy50dk480403-pressure-switch-jri7yl","title":"OEM Carrier High Pressure Switch 448\/327 PSI — TFACCY50DK480403","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 448 PSI Open \/ 327 PSI Close for Model TFACCY50DK480403\u003c\/h1\u003e\u003cp\u003eThis OEM high pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCY50DK480403\u003c\/strong\u003e packaged rooftop unit. The high pressure switch continuously monitors refrigerant circuit pressure on the high side of the system. When refrigerant pressure exceeds the 448 PSI trip point — caused by a dirty condenser coil, blocked airflow, refrigerant overcharge, or a failing condenser fan motor — the switch opens the safety circuit and shuts down the compressor to prevent catastrophic damage. When pressure drops to the 327 PSI reset point, the switch closes and allows the system to restart. A failed or weak pressure switch can cause nuisance lockouts, compressor short-cycling, or — if stuck closed — allow dangerous overpressure conditions to go undetected.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 448 PSI open (trip) | 327 PSI close (reset) | OEM Part Numbers: HK02ZA442 (High Pressure Switch) \u0026amp; HK02ZB044 (Pressure Switch) | Replaces HK02ZA439 | Rated 6(6)A | Factory Authorized Part\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM switches are manufactured to exact Carrier factory trip-point tolerances. Aftermarket pressure switches frequently carry wider pressure tolerances, risking either premature nuisance trips or delayed shutdowns that can damage the compressor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires EPA 608 certification to recover refrigerant if accessing a pressurized circuit. Tools needed: manifold gauge set, refrigerant recovery unit, adjustable wrench, electrical multimeter. Always recover refrigerant before disconnecting pressure switch lines and lock out\/tag out (LOTO) the unit before beginning any electrical work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed by 3 PM local time ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for \u003cstrong\u003eCarrier TFACCY50DK480403\u003c\/strong\u003e commercial packaged rooftop units. Cross-references OEM part numbers HK02ZA442 and HK02ZB044. Always verify your unit's data plate and existing switch pressure ratings before ordering. Need fitment confirmation? Our HVAC parts specialists are standing by to verify compatibility before you check out.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640259072371,"sku":"CARRIE-TFACCY50DK480403-PRESSURE_SWITCH-HK02ZA442","price":121.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640259105139,"sku":"CARRIE-TFACCY50DK480403-PRESSURE_SWITCH-HK02ZA442-GEN","price":106.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA442_879eb5b6-488b-4b9a-a8f9-c5827704f2ed.jpg?v=1775033470"},{"product_id":"carrier-tfaccy50dk480355-pressure-switch-jri7yl","title":"OEM Carrier Pressure Switch for TFACCY50DK480355","description":"\u003ch1\u003eCarrier OEM Pressure Switch for TFACCY50DK480355\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier TFACCY50DK480355\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK02ZA442\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model TFACCY50DK480355. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640259170675,"sku":"CARRIE-TFACCY50DK480355-PRESSURE_SWITCH-HK02ZA442","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640259203443,"sku":"CARRIE-TFACCY50DK480355-PRESSURE_SWITCH-HK02ZA442-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA442_c4f341fd-a771-4e83-a03c-8af84588f0ff.jpg?v=1775038292"},{"product_id":"carrier-tfaccy50dk480311-pressure-switch-jri7yl","title":"OEM Carrier High Pressure Switch 448#OPN 327#CLS — TFACCY50DK480311","description":"\u003ch1\u003eOEM Carrier High Pressure Switch 448#OPN \/ 327#CLS for Model TFACCY50DK480311\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-replacement high pressure switch for the \u003cstrong\u003eCarrier TFACCY50DK480311\u003c\/strong\u003e commercial packaged\/rooftop unit. The high pressure switch (HK02ZA442) is a critical refrigerant-side safety device that monitors refrigerant circuit pressure and opens the circuit when pressure exceeds the safe threshold — protecting the compressor from catastrophic damage. When this switch fails or trips due to age, vibration, or refrigerant overcharge, you'll typically experience nuisance high-pressure lockouts, compressor short-cycling, or a system that trips on manual reset repeatedly without an apparent refrigerant-side fault. A second OEM switch, HK02ZB044, serves as the low pressure switch on this platform (7#OPN \/ 22#CLS, 50\" leads) and is also stocked for this model.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs (HK02ZA442 — High Pressure Switch):\u003c\/strong\u003e 448 PSI opening pressure | 327 PSI closing pressure | OEM factory-matched setpoints | Replaces HK02ZA439\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs (HK02ZB044 — Low Pressure Switch):\u003c\/strong\u003e 7 PSI opening pressure | 22 PSI closing pressure | 50\" leads | 24V | Country of Origin: Mexico\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e Genuine Carrier OEM switches are calibrated to exact factory pressure setpoints (±tolerance), ensuring no nuisance trips and full compressor protection. Aftermarket switches often drift from spec, risking either unprotected operation or false lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 3\/5\u003c\/strong\u003e — Requires refrigerant-side work. Always recover refrigerant per EPA Section 608 before replacing. Tools needed: manifold gauges, refrigerant recovery unit, 1\/4\" flare fittings, multimeter. Verify system pressures are within normal range before condemning the switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the direct OEM replacement for \u003cstrong\u003eCarrier TFACCY50DK480311\u003c\/strong\u003e. Both OEM part numbers — \u003cstrong\u003eHK02ZA442\u003c\/strong\u003e (high pressure, primary) and \u003cstrong\u003eHK02ZB044\u003c\/strong\u003e (low pressure, secondary) — are in stock. Always verify pressure setpoints on your unit's data plate and wiring diagram before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today and we'll ship your order out fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640259432819,"sku":"CARRIE-TFACCY50DK480311-PRESSURE_SWITCH-HK02ZA442","price":131.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640259465587,"sku":"CARRIE-TFACCY50DK480311-PRESSURE_SWITCH-HK02ZA442-GEN","price":115.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA442_208b85b2-08c4-4d0f-8648-fcf743b02a8c.jpg?v=1775033443"},{"product_id":"carrier-tfaccy50dk480261-pressure-switch-jrhhvr","title":"OEM Carrier Pressure Switch 22#CLS 7#OPN 50\" Leads — HK02ZB038","description":"\u003ch1\u003eOEM Carrier Pressure Switch HK02ZB038 for Model TFACCY50DK480261\u003c\/h1\u003e\u003cp\u003eThis OEM pressure switch (part number \u003cstrong\u003eHK02ZB038\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier TFACCY50DK480261\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer motor to prove proper venting before allowing the ignition sequence to begin. When it fails or sticks open, the control board cannot confirm safe combustion conditions — resulting in a no-heat lockout, a flashing fault code, or a furnace that cycles the inducer repeatedly without ever reaching ignition.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Closes at 22\" W.C. | Opens at 7\" W.C. | 50\" lead length | Single-port low-pressure design | Factory-matched switching tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM switch calibrated to exact factory W.C. thresholds. Aftermarket pressure switches frequently carry wider pressure tolerances, which can cause nuisance lockouts in cold weather or — more dangerously — allow ignition under improper draft conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off power and gas before servicing. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers. Inspect the rubber hose connecting the inducer to the switch port for cracks or blockages before replacing — a blocked hose is a common root cause of switch failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003eTFACCY50DK480261\u003c\/strong\u003e packaged unit. Always verify the closing and opening pressure ratings on your unit's wiring diagram or data plate before ordering. Our HVAC parts specialists are available to confirm fitment — contact us before you buy if you have any doubt.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640259694963,"sku":"CARRIE-TFACCY50DK480261-PRESSURE_SWITCH-HK02ZB038","price":57.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640259727731,"sku":"CARRIE-TFACCY50DK480261-PRESSURE_SWITCH-HK02ZB038-GEN","price":50.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZB038_c3608517-5bce-42ab-9b74-0b3904297024.jpg?v=1775036808"},{"product_id":"carrier-tfaccy50dj902771-pressure-switch-jrhhvr","title":"OEM Carrier Pressure Switch 22#CLS 7#OPN 50\" Leads — TFACCY50DJ902771","description":"\u003ch1\u003eOEM Carrier Pressure Switch HK02ZB038 for Model TFACCY50DJ902771\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement pressure switch for the \u003cstrong\u003eCarrier TFACCY50DJ902771\u003c\/strong\u003e packaged unit. The pressure switch is a critical safety component in the combustion air system — it monitors negative pressure produced by the inducer draft motor to confirm adequate airflow before allowing ignition to proceed. When this switch fails, the control board cannot verify that the inducer is running at proper speed, causing the furnace or packaged unit to lock out before any ignition attempt. Common symptoms include a blinking fault code for \"pressure switch stuck open,\" no-heat calls that never progress to ignition, or repeated short-cycle lockouts during cold-weather operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Closes at 22\" W.C. | Opens at 7\" W.C. | 50\" lead wire length | Factory-calibrated single-port diaphragm design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM switch (part HK02ZB038), factory-calibrated to exact W.C. thresholds. Aftermarket switches often carry ±15% pressure tolerances, leading to nuisance lockouts in cold weather or dangerous bypassing of low-draft conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power before servicing. Tools needed: 1\/4\" nut driver, needle-nose pliers, and a vacuum pump or manometer for post-install verification. Snap the hose barb onto the inducer port, connect the two spade terminals, and restore power. Always clear fault codes after replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty against defects. Ships same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Directly replaces OEM part number \u003cstrong\u003eHK02ZB038\u003c\/strong\u003e on Carrier model \u003cstrong\u003eTFACCY50DJ902771\u003c\/strong\u003e. Verify the W.C. rating and lead length on your unit's existing switch and data plate before ordering. Need help confirming fitment? 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The pressure switch is a safety device that proves the inducer blower is operating and generating adequate negative pressure before allowing the gas valve and ignition sequence to begin. When this switch fails or sticks, the furnace will attempt to start, fail to advance past the inducer pre-purge stage, and ultimately lock out — leaving you with no heat. Common symptoms include an inducer motor that runs but the furnace never lights, a flashing fault code indicating a pressure switch error, or a unit that starts and immediately shuts back down.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 7 PSI open | 22 PSI close | 50\" wire leads | OEM-matched W.C. rating | Factory-specified Carrier replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are factory-calibrated to exact set-point tolerances. Aftermarket alternatives can drift out of specification, causing nuisance lockouts or — worse — failing to protect the heat exchanger from unsafe draft conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off power and gas before beginning. Tools needed: flathead screwdriver, needle-nose pliers. Note the hose port orientation and lead routing before disconnecting. Reconnect the rubber tubing fully to avoid false trips after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturing defects. Ships same business day from our warehouse when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered and factory-matched for the Carrier \u003cstrong\u003eTFACCY389026201\u003c\/strong\u003e. Always confirm the pressure switch W.C. rating printed on your existing switch label matches before installing. Have a question about fitment? Our HVAC parts specialists verify compatibility before you order — call or chat now.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640269558131,"sku":"CARRIE-TFACCY389026201-PRESSURE_SWITCH-HK02ZB038","price":57.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640269590899,"sku":"CARRIE-TFACCY389026201-PRESSURE_SWITCH-HK02ZB038-GEN","price":50.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZB038_62bc4628-3ec8-4a42-96c1-21db9443a91e.jpg?v=1775037171"},{"product_id":"carrier-tcaccycrlpkit9001a00-pressure-switch-jesotu","title":"OEM Carrier LP Gas Pressure Switch 6.5\" W.C. — TCACCYCRLPKIT9001A00","description":"\u003ch1\u003eOEM Carrier LP Gas Pressure Switch (HK02LB008) for Model TCACCYCRLPKIT9001A00\u003c\/h1\u003e\u003cp\u003eThis OEM LP gas pressure switch is the factory-specified replacement part for the \u003cstrong\u003eCarrier TCACCYCRLPKIT9001A00\u003c\/strong\u003e propane (LP) gas system. The pressure switch monitors gas supply pressure and signals the control board to allow or interrupt the ignition sequence based on detected pressure levels. When this switch fails or drifts out of calibration, the unit will typically lock out before ignition, refuse to fire on a call for heat, or cycle off unexpectedly — leaving you with no heat on the coldest days.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e LP (propane) gas pressure switch | 6.5\" W.C. cut-out pressure setting | OEM part number HK02LB008 | Cross-reference: GFS3451-4036 | Factory-calibrated — no field adjustment required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier factory-authorized part, manufactured to exact pressure tolerances. Aftermarket substitutes may carry ±10–15% pressure variance, risking nuisance lockouts or unsafe gas flow conditions — especially critical on LP systems where pressure regulation is tighter than natural gas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Turn off gas supply and power before servicing. Tools needed: 1\/4\" nut driver, flat-head screwdriver, manometer (recommended for LP verification), and needle-nose pliers for hose barb connections. Always verify inlet gas pressure at the manifold after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse. Note: HK02LB008 is the current OEM part; direct replacement cross-reference is HK02MB008 where noted.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eTCACCYCRLPKIT9001A00\u003c\/strong\u003e LP (propane) gas system kit. Verify your unit's gas type (LP vs. natural gas) and the original pressure switch W.C. rating on your data plate before ordering — LP and natural gas pressure switches are \u003cem\u003enot\u003c\/em\u003e interchangeable. Our fitment team is available to confirm compatibility before you purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640287416691,"sku":"CARRIE-TCACCYCRLPKIT9001A00-PRESSURE_SWITCH-HK02LB008","price":73.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640287449459,"sku":"CARRIE-TCACCYCRLPKIT9001A00-PRESSURE_SWITCH-HK02LB008-GEN","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_ef35dba0-dbe5-4cd8-94bc-0e9d003afa7c.jpg?v=1775036411"},{"product_id":"carrier-tcaccycrlpelev006a00-pressure-switch-jesotu","title":"OEM Carrier LP Gas Pressure Switch HK02LB008 — TCACCYCRLPELEV006A00","description":"\u003ch1\u003eOEM Carrier LP Gas Pressure Switch HK02LB008 for Model TCACCYCRLPELEV006A00\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM LP (liquid propane) gas pressure switch for the \u003cstrong\u003eCarrier TCACCYCRLPELEV006A00\u003c\/strong\u003e. The gas pressure switch monitors incoming LP gas supply pressure and proves safe operating pressure before allowing ignition to proceed. When supply pressure falls below or exceeds the factory set-point, the switch opens the control circuit and sends the system into a no-heat lockout condition. Common symptoms of failure include a furnace that attempts ignition but immediately locks out, an error code indicating pressure fault, or a unit that runs the inducer motor but never advances to the ignition stage. \u003cstrong\u003eNote:\u003c\/strong\u003e OEM part HK02LB008 has been discontinued by Carrier; direct OEM successor is HK02MB008. Stock of HK02LB008 remains available — order today while supplies last.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e LP (Liquid Propane) gas pressure switch | Cut-out pressure: 6.5 in W.C. | Factory-matched set-point | OEM part number: HK02LB008 | Manufacturer: Carrier (United Technologies)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM switch — factory-calibrated to the exact 6.5 in W.C. set-point required by the TCACCYCRLPELEV006A00. Aftermarket pressure switches frequently carry wider tolerances, risking nuisance lockouts or unsafe operation on LP systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off gas supply and power to the unit before beginning. Tools needed: 1\/4\" nut driver, flathead screwdriver, manometer (recommended for LP verification). Photograph all wiring connections and hose port routing before removal. The switch is typically secured with one screw and connected via a 1\/4\" hose barb to the burner manifold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for Carrier model \u003cstrong\u003eTCACCYCRLPELEV006A00\u003c\/strong\u003e LP gas heating equipment. Always verify your unit's data plate fuel type (LP vs. natural gas) and existing switch set-point before ordering — LP and natural gas pressure switches are \u003cem\u003enot\u003c\/em\u003e interchangeable. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — contact us before purchasing.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640287482227,"sku":"CARRIE-TCACCYCRLPELEV006A00-PRESSURE_SWITCH-HK02LB008","price":73.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640287514995,"sku":"CARRIE-TCACCYCRLPELEV006A00-PRESSURE_SWITCH-HK02LB008-GEN","price":64.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_637f0e87-21f0-4c49-b647-a77ab1bddd49.jpg?v=1775036495"},{"product_id":"carrier-tcaccycrlpelev005a00-pressure-switch-jesotu","title":"OEM Carrier Gas Pressure Switch HK02LB008 — TCACCYCRLPELEV005A00","description":"\u003ch1\u003eOEM Carrier Gas Pressure Switch HK02LB008 for Model TCACCYCRLPELEV005A00\u003c\/h1\u003e\u003cp\u003eThis OEM gas pressure switch (part number \u003cstrong\u003eHK02LB008\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier TCACCYCRLPELEV005A00\u003c\/strong\u003e. The pressure switch is a critical safety component in the furnace's ignition sequence — it monitors negative pressure created by the inducer draft motor to confirm that proper venting is established before allowing the gas valve to open. When this switch fails or sticks, the control board cannot verify safe draft conditions, resulting in a no-heat lockout, a flashing fault code, or the system shutting down immediately before ignition begins.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Factory-rated W.C. (water column) set point | Single-port design | 1\/4\" Molex or spade terminal connection | OEM-matched pressure tolerance for Carrier TCACCYCRLPELEV005A00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM pressure switch is calibrated to the exact W.C. rating required by the factory. Generic alternatives often carry wider pressure tolerances that can cause nuisance lockouts or, worse, allow ignition under unsafe draft conditions — always choose OEM for pressure switches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off power and gas before servicing. Tools needed: flat-head screwdriver, needle-nose pliers, and a manometer if verifying draft pressure. Disconnect the rubber hose port and electrical terminals, swap the switch, and re-confirm proper ignition sequence on restart.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as a direct OEM replacement for \u003cstrong\u003eCarrier model TCACCYCRLPELEV005A00\u003c\/strong\u003e. Always cross-reference the W.C. rating printed on your existing switch with the part number before ordering to ensure an exact match. Our fitment team is available to verify compatibility before you purchase — order with confidence and get back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640287547763,"sku":"CARRIE-TCACCYCRLPELEV005A00-PRESSURE_SWITCH-HK02LB008","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640287580531,"sku":"CARRIE-TCACCYCRLPELEV005A00-PRESSURE_SWITCH-HK02LB008-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_8fcf1a50-8112-47e8-ab99-6205995d26c2.jpg?v=1775031930"},{"product_id":"carrier-spaccycplpconv014a00-pressure-switch-jesotu","title":"OEM Carrier Pressure Switch for SPACCYCPLPCONV014A00","description":"\u003ch1\u003eCarrier OEM Pressure Switch for SPACCYCPLPCONV014A00\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier SPACCYCPLPCONV014A00\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK02LB008\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model SPACCYCPLPCONV014A00. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640291643763,"sku":"CARRIE-SPACCYCPLPCONV014A00-PRESSURE_SWITCH-HK02LB008","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640291676531,"sku":"CARRIE-SPACCYCPLPCONV014A00-PRESSURE_SWITCH-HK02LB008-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_973d5876-3a9a-444f-b1ea-7392c126f9b3.jpg?v=1775038289"},{"product_id":"carrier-spaccycplpconv013a00-pressure-switch-jesotu","title":"OEM Carrier Pressure Switch for SPACCYCPLPCONV013A00","description":"\u003ch1\u003eCarrier OEM Pressure Switch for SPACCYCPLPCONV013A00\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier SPACCYCPLPCONV013A00\u003c\/strong\u003e. 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Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640291709299,"sku":"CARRIE-SPACCYCPLPCONV013A00-PRESSURE_SWITCH-HK02LB008","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640291742067,"sku":"CARRIE-SPACCYCPLPCONV013A00-PRESSURE_SWITCH-HK02LB008-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_152680f7-aed4-4ab2-8545-da09a9628b53.jpg?v=1775038287"},{"product_id":"carrier-spaccycplpconv010a00-pressure-switch-jesotu","title":"OEM Carrier Pressure Switch for SPACCYCPLPCONV010A00","description":"\u003ch1\u003eCarrier OEM Pressure Switch for SPACCYCPLPCONV010A00\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier SPACCYCPLPCONV010A00\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK02LB008\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model SPACCYCPLPCONV010A00. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640291774835,"sku":"CARRIE-SPACCYCPLPCONV010A00-PRESSURE_SWITCH-HK02LB008","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640291807603,"sku":"CARRIE-SPACCYCPLPCONV010A00-PRESSURE_SWITCH-HK02LB008-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_e586b3a5-120c-4a7d-9f54-9175af2c0494.jpg?v=1775038285"},{"product_id":"carrier-spaccycplpconv009a00-pressure-switch-jesotu","title":"OEM Carrier LP Gas Pressure Switch HK02LB008 — SPACCYCPLPCONV009A00","description":"\u003ch1\u003eOEM Carrier LP Gas Pressure Switch HK02LB008 for Model SPACCYCPLPCONV009A00\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM Carrier LP (propane) gas pressure switch, part number \u003cstrong\u003eHK02LB008\u003c\/strong\u003e, engineered as a direct factory replacement for the \u003cstrong\u003eSPACCYCPLPCONV009A00\u003c\/strong\u003e unit. The pressure switch serves a critical safety function: it monitors the gas supply pressure and signals the control board to allow or interrupt ignition sequences. When this switch fails, the furnace or heating system will typically enter a lockout condition — refusing to fire, cycling off before ignition, or throwing a fault code related to pressure sensing. A failed pressure switch is one of the most common causes of a no-heat call in LP-fueled systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e LP (Liquefied Propane \/ Propane Gas) rated | Factory-calibrated set point | Spade terminal connections | OEM-matched switching action and pressure rating for SPACCYCPLPCONV009A00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM part — not an aftermarket approximation. OEM pressure switches are factory-calibrated to exact water column (W.C.) specifications. Generic substitutes frequently drift off set point, causing nuisance lockouts or, worse, unsafe operation. Don't compromise on a safety-critical component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Straightforward swap requiring a flathead or Phillips screwdriver, needle-nose pliers, and a camera phone to photograph tubing and wiring before removal. Always shut off gas supply and power to the unit before beginning. Hose connections must be leak-tested after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eSPACCYCPLPCONV009A00\u003c\/strong\u003e LP conversion\/propane configuration. Verify your unit's gas type (LP vs. natural gas) and confirm part number HK02LB008 on your existing switch or equipment documentation before ordering. Our fitment team is available to confirm compatibility before you buy — same-day shipping on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640291840371,"sku":"CARRIE-SPACCYCPLPCONV009A00-PRESSURE_SWITCH-HK02LB008","price":74.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640291873139,"sku":"CARRIE-SPACCYCPLPCONV009A00-PRESSURE_SWITCH-HK02LB008-GEN","price":65.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02LB008_ac491f01-8627-4cf0-940e-aaa51d997edd.jpg?v=1775036492"},{"product_id":"carrier-spaccycpcntrls001a00-pressure-switch-jria74","title":"OEM Carrier High Pressure Switch 395\/295 PSI — SPACCYCPCNTRLS001A00","description":"\u003ch1\u003eOEM Carrier High Pressure Switch HK02ZA395 — 395\/295 PSI for Model SPACCYCPCNTRLS001A00\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM high pressure safety switch (part number \u003cstrong\u003eHK02ZA395\u003c\/strong\u003e) factory-specified for the \u003cstrong\u003eCarrier SPACCYCPCNTRLS001A00\u003c\/strong\u003e system. The high pressure switch is a critical refrigerant-circuit safety device: it monitors refrigerant discharge pressure and cuts power to the compressor if pressure rises to an unsafe level. When this switch fails or trips, your system may lock out on a fault code, short-cycle immediately after startup, or refuse to run altogether — protecting the compressor from catastrophic overpressure damage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Opens at 395 PSI | Closes at 295 PSI | 6(6)A 240VAC | 1\/8\"-Fine NPT thread | Sensata PS80 series | 2-blade quick-connect terminals | PMAX 428 PSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier\/Sensata factory part with precision-calibrated trip points. Aftermarket switches often carry ±5–10% pressure tolerances, which can allow unsafe pressures to go unchecked or cause false nuisance trips that shut down a properly operating system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Recover all refrigerant before opening the high-side circuit. Tools needed: refrigerant recovery machine, manifold gauge set, adjustable wrench, thread sealant (non-hardening). Requires EPA 608 certification for refrigerant handling. Always leak-check after installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In stock — ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement for \u003cstrong\u003eCarrier SPACCYCPCNTRLS001A00\u003c\/strong\u003e. Also supersedes legacy part numbers including 312926-217, 71267D1, HK02ZA380, HK02ZA396, HK02ZA400, HK02ZA401, HK02ZA435, HK02ZA500, and HK02ZA501. Verify your existing switch reads 395 PSI open \/ 295 PSI close and uses a 1\/8\"-NPT port before ordering. Our HVAC parts specialists are available to confirm fitment prior to purchase — order with confidence!\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640293052787,"sku":"CARRIE-SPACCYCPCNTRLS001A00-PRESSURE_SWITCH-HK02ZA395","price":27.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640293085555,"sku":"CARRIE-SPACCYCPCNTRLS001A00-PRESSURE_SWITCH-HK02ZA395-GEN","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK02ZA395_1ec30989-c139-47c5-9f82-1e1f51e95241.jpg?v=1775033389"},{"product_id":"carrier-py4gpab60130na91d-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18 WC for PY4GPAB60130NA91D","description":"\u003ch1\u003eOEM Carrier Furnace Draft Pressure Switch 0.18 WC for Model PY4GPAB60130NA91D\u003c\/h1\u003e\u003cp\u003eThis OEM draft inducer pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB60130NA91D\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer motor to confirm adequate airflow before allowing the ignition sequence to proceed. When this switch fails or sticks open, the control board cannot verify safe venting conditions — resulting in a hard lockout before the burners ever fire. Common symptoms include a furnace that attempts to start but shuts down immediately, a flashing diagnostic fault code for \u003cem\u003epressure switch open\u003c\/em\u003e, or an inducer that runs continuously with no ignition.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) set point | SPST normally-open configuration | Factory-matched Honeywell sensing element | Cross-references: HK06WC061, HK06MB061, IS20224-5236, 1639D2\/B\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM part manufactured to exact factory pressure tolerances. Aftermarket pressure switches often deviate from rated W.C. thresholds, causing nuisance lockouts or — more dangerously — allowing ignition under unsafe draft conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Power down the unit at the disconnect and thermostat before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, flathead screwdriver, manometer (recommended for W.C. verification). Photograph all tubing connections before removal. Replace inducer port tubing if cracked or brittle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eCarrier PY4GPAB60130NA91D\u003c\/strong\u003e packaged unit. Also fits select Bryant and Payne models sharing the 0.18\" W.C. pressure switch specification. Always verify the W.C. rating stamped on your existing switch before ordering — mismatched ratings will cause repeated lockouts. Note: OEM part number HK06WC061 has been superseded by HK06MB061; both are covered by this listing. Questions? Our HVAC parts specialists confirm fitment before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640303669619,"sku":"CARRIE-PY4GPAB60130NA91D-PRESSURE_SWITCH-HK06WC061","price":42.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640303702387,"sku":"CARRIE-PY4GPAB60130NA91D-PRESSURE_SWITCH-HK06WC061-GEN","price":37.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_3549fc6a-63f2-454b-ac0a-4d60f8debdd7.jpg?v=1775036549"},{"product_id":"carrier-py4gpab60115aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAB60115AA","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC for Model PY4GPAB60115AA\u003c\/h1\u003e\u003cp\u003eThis is the factory-authorized OEM draft inducer pressure switch for the \u003cstrong\u003eCarrier PY4GPAB60115AA\u003c\/strong\u003e packaged unit. The pressure switch proves that the inducer motor has created adequate negative pressure in the heat exchanger flue before allowing the ignition sequence to begin. When this switch fails or gets stuck open, the control board interprets it as an unsafe venting condition and locks out the system — resulting in a no-heat call with the furnace never advancing past the inducer stage. OEM part number \u003cstrong\u003eHK06WC061\u003c\/strong\u003e has been superseded by \u003cstrong\u003eHK06MB061\u003c\/strong\u003e, the current factory-authorized replacement at the same 0.18\" water column rating and identical SPST configuration.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) opening rating | SPST (Single-Pole Single-Throw) | Normally open | Rated for Carrier\/Bryant\/Payne packaged and split systems | Replaces OEM part HK06WC061 (superseded by HK06MB061)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM switch is calibrated to the exact 0.18\" W.C. factory threshold. Aftermarket switches frequently carry ±10–15% tolerance variance, which can cause nuisance lockouts or — worse — fail to detect genuine venting failures, creating a safety hazard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power and gas before servicing. Tools needed: 1\/4\" nut driver, needle-nose pliers, and a manometer if verifying inducer static pressure. Photograph existing hose and wiring connections before removal. Swap the rubber hose and two-wire harness connector to the new switch and restore power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Directly fits the Carrier \u003cstrong\u003ePY4GPAB60115AA\u003c\/strong\u003e packaged unit. Also compatible with a wide range of Carrier, Bryant, and Payne packaged and split-system models specifying a 0.18\" W.C. SPST pressure switch — always verify the W.C. rating on your existing switch's label before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640304914803,"sku":"CARRIE-PY4GPAB60115AA-PRESSURE_SWITCH-HK06WC061","price":47.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640304947571,"sku":"CARRIE-PY4GPAB60115AA-PRESSURE_SWITCH-HK06WC061-GEN","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_0410ba54-0bdb-4309-ab65-4bfb72bfbba7.jpg?v=1775036753"},{"product_id":"carrier-py4gpab60090na-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch for PY4GPAB60090NA","description":"\u003ch1\u003eCarrier OEM Pressure Switch for PY4GPAB60090NA\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier PY4GPAB60090NA\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK06WC061\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model PY4GPAB60090NA. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640305144179,"sku":"CARRIE-PY4GPAB60090NA-PRESSURE_SWITCH-HK06WC061","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640305176947,"sku":"CARRIE-PY4GPAB60090NA-PRESSURE_SWITCH-HK06WC061-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_01bfe6a8-c2c0-41f9-beb0-46e543b6958c.jpg?v=1775038280"},{"product_id":"carrier-py4gpab60090aa-pressure-switch-h43sg3","title":"OEM Carrier Draft Pressure Switch 0.18\" WC for PY4GPAB60090AA","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC for Model PY4GPAB60090AA\u003c\/h1\u003e\u003cp\u003eThis OEM draft pressure switch (part# HK06WC061, superseded by HK06MB061) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB60090AA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the induced draft blower and proves that adequate airflow exists before allowing the ignition sequence to proceed. When this switch fails or sticks open, the control board cannot confirm safe venting conditions — resulting in a \u003cstrong\u003eno-heat lockout\u003c\/strong\u003e before the ignition cycle ever begins. Common symptoms include the inducer motor running continuously with no ignition attempt, or the system cycling off within the first few seconds of a call for heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) set point | Normally open | Single-port | Replaces OEM part# HK06WC061 \/ HK06MB061 | Also cross-references Honeywell IS20224-5236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are calibrated to exact factory W.C. tolerances. Off-spec generic switches can open prematurely or fail to open at all — causing repeated lockouts or unsafe operation. Always match the W.C. rating precisely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power and gas before beginning. Tools needed: 1\/4\" nut driver, needle-nose pliers, and a short length of replacement pressure tubing. Note port orientation and hose routing before disconnecting the old switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits Carrier model \u003cstrong\u003ePY4GPAB60090AA\u003c\/strong\u003e packaged units, as well as a broad range of Carrier, Bryant, and Payne furnaces, packaged units, RTUs, and heat pumps that specify the 0.18\" W.C. draft pressure switch. Verify the W.C. rating on your existing switch or equipment data plate before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you buy — order with confidence and get same-day shipping.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640305340787,"sku":"CARRIE-PY4GPAB60090AA-PRESSURE_SWITCH-HK06WC061","price":42.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640305373555,"sku":"CARRIE-PY4GPAB60090AA-PRESSURE_SWITCH-HK06WC061-GEN","price":37.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_3f23fc28-c154-43e5-8f61-fe05682eb6a6.jpg?v=1775027606"},{"product_id":"carrier-py4gpab48130na-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch HK06WC061 for PY4GPAB48130NA","description":"\u003ch1\u003eOEM Carrier Pressure Switch HK06WC061 for Model PY4GPAB48130NA\u003c\/h1\u003e\u003cp\u003eThis OEM pressure switch (part number \u003cstrong\u003eHK06WC061\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB48130NA\u003c\/strong\u003e packaged gas\/electric unit. The pressure switch is a normally-open safety device that monitors negative pressure (inches water column) produced by the inducer draft motor. Once the inducer reaches proper speed and draft is confirmed, the switch closes and allows the control board to advance to the ignition sequence. When this switch fails — or when connected tubing cracks or clogs — the board never receives confirmation of safe draft, resulting in a no-heat lockout condition with no ignition attempt.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e OEM-matched W.C. (inches water column) rating | Single-port design | Factory-calibrated set point | Direct drop-in replacement for HK06WC061\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the genuine Carrier OEM part, manufactured to exact factory W.C. tolerances. Aftermarket pressure switches frequently carry wider set-point tolerances, which can cause nuisance trips or — more dangerously — allow operation under unsafe draft conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power before servicing. Tools needed: 1\/4\" nut driver, flathead screwdriver, manometer (recommended to verify W.C. after install). Inspect and replace rubber sensing hose if cracked or collapsed before installing new switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered and factory-matched for the Carrier \u003cstrong\u003ePY4GPAB48130NA\u003c\/strong\u003e packaged unit. Always verify the part number on your existing switch label and cross-reference against your unit's data plate before ordering. Our fitment team is available to confirm compatibility — reach out before you buy if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640305635699,"sku":"CARRIE-PY4GPAB48130NA-PRESSURE_SWITCH-HK06WC061","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640305668467,"sku":"CARRIE-PY4GPAB48130NA-PRESSURE_SWITCH-HK06WC061-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_a746cb66-81ae-42a9-8dfa-c588c5ddba3f.jpg?v=1775038391"},{"product_id":"carrier-py4gpab48115na-pressure-switch-h43sg3","title":"OEM Carrier Draft Pressure Switch 0.18\" WC for PY4GPAB48115NA","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC for Model PY4GPAB48115NA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM draft (inducer) pressure switch for the \u003cstrong\u003eCarrier PY4GPAB48115NA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer motor to confirm proper venting before the ignition sequence is allowed to begin. When it fails or sticks open, the control board cannot verify that the heat exchanger is safely vented — resulting in a no-heat lockout, a continuous inducer run with no ignition, or a fault code indicating an open pressure switch. \u003cstrong\u003eOEM part number HK06WC061 has been superseded by HK06MB061\u003c\/strong\u003e — both are factory-authorized and ship as the current production replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (inches of water column) set point | Normally open (N.O.) configuration | Honeywell-manufactured switch body (IS20224-5236) | Single-port hose barb inlet | Factory-calibrated ±0.01\" WC tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are factory-calibrated to the exact W.C. rating required by your unit's inducer and heat exchanger design. Off-spec generic switches can trip prematurely or fail to trip at all — creating unsafe backdraft conditions or nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power and gas before servicing. Disconnect the rubber hose from the port, unplug the two-terminal Molex connector, and unmount from the bracket. Tools needed: 1\/4\" nut driver, needle-nose pliers. Always inspect the hose for cracks or blockage before installing the new switch — a clogged hose is a leading cause of pressure switch failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eCarrier PY4GPAB48115NA\u003c\/strong\u003e packaged gas\/electric unit. Cross-references: HK06WC061 (superseded), HK06MB061 (current), Honeywell IS20224-5236. Also fits select Bryant and Payne models — verify your unit's data plate W.C. rating before ordering. Our fitment team is available to confirm compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640305832307,"sku":"CARRIE-PY4GPAB48115NA-PRESSURE_SWITCH-HK06WC061","price":47.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640305865075,"sku":"CARRIE-PY4GPAB48115NA-PRESSURE_SWITCH-HK06WC061-GEN","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_b8f2a654-0330-413f-8cf0-6726adeb10db.jpg?v=1775027603"},{"product_id":"carrier-py4gpab60130aa-pressure-switch-h43sg3","title":"OEM Carrier Draft Pressure Switch 0.18\" WC for PY4GPAB60130AA","description":"\u003ch1\u003eOEM Carrier Draft Inducer Pressure Switch 0.18\" WC for Model PY4GPAB60130AA\u003c\/h1\u003e\u003cp\u003eThis OEM draft pressure proving switch (part number \u003cstrong\u003eHK06WC061\u003c\/strong\u003e, superseded by \u003cstrong\u003eHK06MB061\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB60130AA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure produced by the inducer blower to confirm safe flue-gas venting before the ignition sequence is allowed to proceed. When this switch fails or sticks open, the control board cannot verify inducer operation, causing a pre-ignition lockout — the system will attempt to start, fail to prove the inducer, and lock out with a diagnostic fault code before any gas is ever introduced to the burners.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) set point | Normally open | Single-port diaphragm design | Honeywell cross-reference: IS20224-5236 | Factory-matched switching threshold ±0.02\" W.C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM switches are calibrated at the exact set-point required by your unit's heat exchanger design. Off-tolerance generic switches can trip early (nuisance lockouts) or fail to trip late (dangerous unvented combustion), making OEM the only safe choice for pressure switch replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off gas and power at the disconnect before beginning. Tools needed: 1\/4\" nut driver, flat-head screwdriver, manometer (to verify new switch operation). Inspect rubber hose port and tubing for cracks or blockage before installing the new switch — a blocked tube is a common root cause of switch failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. In-stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for Carrier model \u003cstrong\u003ePY4GPAB60130AA\u003c\/strong\u003e. Also fits select Bryant and Payne packaged units, heat pumps, and air handlers requiring a 0.18\" W.C. normally-open draft proving switch. Always verify the W.C. rating printed on your original switch label before ordering — W.C. ratings are not interchangeable. Our fitment team is available to confirm compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640306028915,"sku":"CARRIE-PY4GPAB60130AA-PRESSURE_SWITCH-HK06WC061","price":46.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640306061683,"sku":"CARRIE-PY4GPAB60130AA-PRESSURE_SWITCH-HK06WC061-GEN","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_e98052cb-0818-49f2-ba37-7b5d28fc915a.jpg?v=1775027608"},{"product_id":"carrier-py4gpab48130aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAB48130AA","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC for Model PY4GPAB48130AA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM draft-proving pressure switch for the \u003cstrong\u003eCarrier PY4GPAB48130AA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer motor to confirm safe venting conditions before allowing the gas valve to open. When the switch fails or sticks open, the control board cannot verify inducer operation and will lock out the unit entirely — resulting in a no-heat call with no ignition attempt. Common symptoms include a constantly running inducer with no ignition, an error code for \"pressure switch open,\" or intermittent heating that stops before the burners fire.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) rated | SPST normally-open | Replaces Honeywell IS20224-5236 | OEM part HK06WC061 (superseded by HK06MB061)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are factory-calibrated to the exact W.C. setpoint for this unit. Off-spec aftermarket switches can trip too early or too late, causing nuisance lockouts or — more dangerously — allowing ignition without confirmed draft.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Turn off gas and power before servicing. Tools needed: 1\/4\" nut driver, flathead screwdriver, and a short length of replacement tubing. Photograph all hose and wire connections before removal. Verify tubing is clear of moisture or blockage before installing the new switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY4GPAB48130AA\u003c\/strong\u003e packaged unit. This part is also used across Bryant and Payne platforms sharing the same inducer\/venting assembly. Always verify the W.C. rating on your existing switch or unit wiring diagram before ordering. Our parts specialists are available to confirm fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640306520435,"sku":"CARRIE-PY4GPAB48130AA-PRESSURE_SWITCH-HK06WC061","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640306553203,"sku":"CARRIE-PY4GPAB48130AA-PRESSURE_SWITCH-HK06WC061-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_de94c80d-1eab-4841-97fa-e0215a56f064.jpg?v=1775036751"},{"product_id":"carrier-py4gpab48115aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAB48115AA — HK06WC061","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC for Model PY4GPAB48115AA (HK06WC061 \/ HK06MB061)\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier draft inducer pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB48115AA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer blower motor to confirm safe venting conditions before allowing the ignition sequence to proceed. When this switch fails or sticks, the control board cannot verify inducer operation and the system will lock out — typically presenting as a furnace that attempts to start but shuts down before the burners ever light. A fault code pointing to a pressure switch or inducer circuit is the most common diagnostic indicator.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) setpoint | SPST normally-open | Cross-references Honeywell IS20224-5236 | OEM part HK06WC061, superseded by HK06MB061\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier part meeting exact factory W.C. calibration. Off-brand switches often carry ±0.05\" W.C. tolerance, which can cause nuisance lockouts or — more dangerously — allow ignition under unsafe venting conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Power down and confirm inducer has stopped before servicing. Tools needed: 1\/4\" nut driver, needle-nose pliers, manometer (for verification). Label and photograph tubing orientation before disconnecting. Inspect rubber hose for cracks while switch is out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before cut-off.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits \u003cstrong\u003eCarrier PY4GPAB48115AA\u003c\/strong\u003e packaged units. Note that OEM part number HK06WC061 has been superseded by HK06MB061 — both are included with this listing. Compatible across Bryant and Payne models sharing the same 0.18\" W.C. pressure switch specification. Always verify W.C. rating on your unit's data plate or existing switch before ordering. Our HVAC specialists are available to confirm fitment prior to purchase.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640307208563,"sku":"CARRIE-PY4GPAB48115AA-PRESSURE_SWITCH-HK06WC061","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640307241331,"sku":"CARRIE-PY4GPAB48115AA-PRESSURE_SWITCH-HK06WC061-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_ead804e6-d6ad-4fb5-b6d3-f58ef6dc9417.jpg?v=1775036748"},{"product_id":"carrier-py4gpab48090na-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAB48090NA — HK06WC061","description":"\u003ch1\u003eOEM Carrier Draft Inducer Pressure Switch 0.18\" WC for Model PY4GPAB48090NA (HK06WC061 \/ HK06MB061)\u003c\/h1\u003e\u003cp\u003eThis is the factory-authorized replacement pressure switch for the \u003cstrong\u003eCarrier PY4GPAB48090NA\u003c\/strong\u003e packaged unit. The pressure switch proves that the draft inducer motor is operating correctly before allowing the ignition sequence to begin. When this switch fails or sticks, the control board cannot verify proper venting and will lock out the system entirely — resulting in a furnace or heat pump that refuses to fire, often with a flashing fault code indicating a pressure switch error. Common failure symptoms include the unit running the inducer but never advancing to ignition, or nuisance lockouts during cold or wet weather.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) set point | SPST (Single-Pole, Single-Throw) | Draft inducer proving switch | Replaces OEM part numbers HK06WC061 and updated supersede HK06MB061 | Also cross-references Honeywell IS20224-5236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM-spec switch is calibrated to the exact 0.18\" W.C. trip point required by the Carrier PY4GPAB48090NA control board. Generic aftermarket switches often carry wider tolerances that cause nuisance trips or fail to prove draft reliably, leading to repeat service calls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Straightforward swap. Tools needed: 1\/4\" nut driver, flathead screwdriver, and needle-nose pliers for hose barb removal. Always disconnect power at the breaker before servicing. Photograph all tubing connections before removal to ensure correct reassembly of the rubber sensing hose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year manufacturer's warranty on genuine OEM part. Orders placed before 3 PM local time ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY4GPAB48090NA\u003c\/strong\u003e packaged unit. Also fits a broad range of Carrier, Bryant, and Payne furnaces and packaged units using the 0.18\" WC pressure switch specification — confirm your unit's data plate and existing switch rating before ordering. Note: HK06WC061 has been superseded by HK06MB061; both part numbers are fulfilled by this listing. Questions about fitment? Our HVAC parts specialists verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640307405171,"sku":"CARRIE-PY4GPAB48090NA-PRESSURE_SWITCH-HK06WC061","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640307437939,"sku":"CARRIE-PY4GPAB48090NA-PRESSURE_SWITCH-HK06WC061-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_ff6c8a17-4e42-4701-953d-26d87e83cb1d.jpg?v=1775036746"},{"product_id":"carrier-py4gpab48090aa-pressure-switch-h43sg3","title":"OEM Carrier Draft Pressure Switch 0.18\" WC for PY4GPAB48090AA","description":"\u003ch1\u003eOEM Carrier Draft Inducer Pressure Switch 0.18\" WC for Model PY4GPAB48090AA\u003c\/h1\u003e\u003cp\u003eThis OEM draft pressure switch (part number HK06WC061, now superseded by HK06MB061) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB48090AA\u003c\/strong\u003e packaged unit. The pressure switch monitors the negative pressure created by the draft inducer blower to confirm proper venting before allowing the ignition sequence to proceed. When it fails or sticks open, the control board cannot verify safe venting conditions and will lock out the system entirely — leaving you with no heat and often a fault code pointing to inducer or pressure switch failure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) setpoint | SPST (Single-Pole, Single-Throw) | Normally open | Compatible with Carrier, Bryant, and Payne packaged units and furnaces | Supersedes OEM part HK06WC061 → current part HK06MB061\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are factory-calibrated to exact W.C. setpoints. Generic alternatives often drift ±0.05\" WC or more, causing nuisance lockouts or — more dangerously — allowing ignition under marginal venting conditions. Always match the rated W.C. exactly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Straightforward single-screw mount and hose barb connection. Tools needed: 1\/4\" nut driver, flathead screwdriver, and a multimeter to confirm continuity before and after replacement. Always disconnect power at the breaker before beginning work. Inspect the rubber hose and hose barb for cracks while the unit is open.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship same business day when ordered by 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Verified fit for Carrier model \u003cstrong\u003ePY4GPAB48090AA\u003c\/strong\u003e packaged unit. This switch also fits a broad range of Carrier, Bryant, and Payne furnaces and packaged units sharing the 0.18\" WC specification — confirm your unit's existing switch W.C. rating from the data plate or wiring diagram before ordering. Have questions about fitment? Our HVAC parts specialists verify compatibility before you order — reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640307667315,"sku":"CARRIE-PY4GPAB48090AA-PRESSURE_SWITCH-HK06WC061","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640307700083,"sku":"CARRIE-PY4GPAB48090AA-PRESSURE_SWITCH-HK06WC061-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_ec7a42d6-b7e4-40c4-9d63-60ec3edf2623.jpg?v=1775027601"},{"product_id":"carrier-py4gpab42060na-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch for PY4GPAB42060NA","description":"\u003ch1\u003eCarrier OEM Pressure Switch for PY4GPAB42060NA\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier PY4GPAB42060NA\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK06WC061\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model PY4GPAB42060NA. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640308978035,"sku":"CARRIE-PY4GPAB42060NA-PRESSURE_SWITCH-HK06WC061","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640309010803,"sku":"CARRIE-PY4GPAB42060NA-PRESSURE_SWITCH-HK06WC061-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_f86bb5b7-16af-4a47-8ec9-765e633bbb00.jpg?v=1775038277"},{"product_id":"carrier-py4gpab42060aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAB42060AA — HK06WC061","description":"\u003ch1\u003eOEM Carrier Draft Inducer Pressure Switch 0.18\" WC for Model PY4GPAB42060AA\u003c\/h1\u003e\u003cp\u003eThis is the factory-authorized OEM replacement pressure switch for the \u003cstrong\u003eCarrier PY4GPAB42060AA\u003c\/strong\u003e packaged heat pump unit. The draft inducer pressure switch is a normally open, single-pole single-throw (SPST) safety device rated at \u003cstrong\u003e0.18\" water column (WC)\u003c\/strong\u003e. It monitors negative pressure created by the inducer motor to confirm proper venting before allowing the ignition sequence to proceed. When this switch fails or sticks open, the control board never receives the \"draft proven\" signal — resulting in a no-heat condition, a blinking fault code, or a system lockout before any ignition attempt is made.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" WC setpoint | SPST normally open | Replaces OEM part numbers HK06WC061 \u0026amp; current successor HK06MB061 | Also cross-references Honeywell IS20224-5236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM switches are manufactured to exact setpoint tolerances. Off-brand pressure switches frequently carry ±10–15% variance in trip pressure, which can cause nuisance lockouts or — more dangerously — allow the system to attempt ignition without confirmed draft, a serious safety risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Power down the unit at the disconnect before starting. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, and a manometer or magnehelic gauge for verification. Photograph existing hose and wiring connections before removal. Snap-fit connectors release with gentle lateral pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before 3:00 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003ePY4GPAB42060AA\u003c\/strong\u003e packaged unit. This part is also used across a wide range of Carrier, Bryant, and Payne packaged and split-system equipment that specifies the 0.18\" WC draft pressure switch. Always verify the WC rating on your existing switch's label before ordering. Have a question about fitment? Our HVAC parts specialists confirm compatibility before you buy — \u003cstrong\u003eorder now and we'll ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640309272947,"sku":"CARRIE-PY4GPAB42060AA-PRESSURE_SWITCH-HK06WC061","price":47.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640309305715,"sku":"CARRIE-PY4GPAB42060AA-PRESSURE_SWITCH-HK06WC061-GEN","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_e7c0c81e-a72a-4f0a-9f48-597a4803a61d.jpg?v=1775036741"},{"product_id":"carrier-py4gpab36060na-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch for PY4GPAB36060NA","description":"\u003ch1\u003eCarrier OEM Pressure Switch for PY4GPAB36060NA\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier PY4GPAB36060NA\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK06WC061\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model PY4GPAB36060NA. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640309600627,"sku":"CARRIE-PY4GPAB36060NA-PRESSURE_SWITCH-HK06WC061","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640309633395,"sku":"CARRIE-PY4GPAB36060NA-PRESSURE_SWITCH-HK06WC061-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_f8b3faf5-e9d8-4b4f-846d-3fc717285a72.jpg?v=1775038275"},{"product_id":"carrier-py4gpab36060aa-pressure-switch-h43sg3","title":"OEM Carrier Draft Pressure Switch 0.18\" WC for PY4GPAB36060AA","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC — HK06WC061 for Model PY4GPAB36060AA\u003c\/h1\u003e\u003cp\u003eThis OEM draft inducer pressure switch (part number \u003cstrong\u003eHK06WC061\u003c\/strong\u003e, superseded by \u003cstrong\u003eHK06MB061\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB36060AA\u003c\/strong\u003e packaged unit. The pressure switch is a critical safety device that monitors the negative pressure (vacuum) created by the inducer motor during startup. Only after confirming that the inducer is spinning at the correct RPM and generating the proper draft does the switch close and allow the control board to continue the ignition sequence. When this switch fails, the system locks out before ignition — leaving you with no heat and often a fault code related to the pressure switch circuit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" Water Column (W.C.) rating | Normally open (N.O.) | Single-port design | Honeywell-manufactured (cross-reference: IS20224-5236) | Factory tolerance matched\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are calibrated to exact W.C. setpoints. An off-spec generic switch may close too early (masking unsafe flue conditions) or fail to close at all — always match the W.C. rating precisely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power before servicing. Tools needed: 1\/4\" nut driver, small flathead screwdriver, multimeter (for continuity check). Remove the rubber hose from the inducer port, swap the switch, reconnect hose and wiring harness — photo the connections first.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty coverage. In-stock units ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the \u003cstrong\u003eCarrier PY4GPAB36060AA\u003c\/strong\u003e packaged unit and cross-compatible with select Bryant and Payne models sharing the same 0.18\" W.C. pressure switch specification. Also cross-references Honeywell part IS20224-5236. Verify your unit's W.C. rating on the data plate or existing switch body before ordering — an incorrect W.C. rating will prevent proper system operation. Have a fitment question? Our HVAC parts specialists verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640309797235,"sku":"CARRIE-PY4GPAB36060AA-PRESSURE_SWITCH-HK06WC061","price":46.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640309830003,"sku":"CARRIE-PY4GPAB36060AA-PRESSURE_SWITCH-HK06WC061-GEN","price":40.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_d5e9b7ec-c498-48e0-ab02-55a9adf6a48c.jpg?v=1775027596"},{"product_id":"carrier-py4gpab36090na-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAB36090NA — HK06WC061","description":"\u003ch1\u003eOEM Carrier Furnace Pressure Switch 0.18\" WC for Model PY4GPAB36090NA (HK06WC061)\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier draft inducer pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB36090NA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer motor to confirm that combustion airflow is safe and sufficient before allowing the ignition sequence to proceed. When this switch fails or sticks open, the furnace will not advance past the inducer stage — resulting in a no-heat lockout condition with the inducer motor running continuously but no spark or gas delivery.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) setpoint | Single-port draft sensing | Normally open (N.O.) contact | OEM part HK06WC061, superseded by HK06MB061 | Compatible Honeywell cross-reference: IS20224-5236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier pressure switch manufactured to factory specifications. Generic alternatives often carry wider W.C. tolerances, which can cause nuisance lockouts or — more dangerously — fail to detect true inducer problems, creating a safety hazard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Power down the unit and disconnect the hose port and two electrical terminals before removal. Tools needed: flathead screwdriver, needle-nose pliers, and a manometer if verifying setpoint post-install. Always inspect the rubber sensing hose for cracks before reusing it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PY4GPAB36090NA\u003c\/strong\u003e packaged unit. Also fits select Bryant and Payne models requiring a 0.18\" W.C. normally-open draft pressure switch. Note that OEM part HK06WC061 has been superseded by HK06MB061 — both numbers are cross-referenced and fulfilled with the current production equivalent. Verify your existing switch's W.C. rating and port configuration before ordering. Our HVAC parts specialists are available to confirm fitment before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640310550899,"sku":"CARRIE-PY4GPAB36090NA-PRESSURE_SWITCH-HK06WC061","price":52.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640310583667,"sku":"CARRIE-PY4GPAB36090NA-PRESSURE_SWITCH-HK06WC061-GEN","price":46.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_93e49b13-c120-4dd5-b006-76cbfb67a0ae.jpg?v=1775036739"},{"product_id":"carrier-py4gpab36090aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAB36090AA","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC for Model PY4GPAB36090AA\u003c\/h1\u003e\u003cp\u003eThis OEM draft inducer pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAB36090AA\u003c\/strong\u003e packaged unit. The pressure switch monitors the negative pressure created by the inducer motor to verify proper venting before allowing the ignition sequence to proceed. When it fails or drifts out of calibration, the control board cannot confirm safe combustion airflow and will lock out the unit — typically with a fault code before the burners ever fire. Common symptoms include a furnace that won't ignite, an inducer that runs but heating never starts, or a system stuck in a pre-ignition lockout loop.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" Water Column (W.C.) set point | SPST normally open | Draft-proving (closes on negative pressure) | OEM part number HK06WC061, superseded to HK06MB061 | Honeywell-manufactured for Carrier\/Bryant\/Payne\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a factory-matched OEM switch calibrated to the exact 0.18\" W.C. trip point required by the \u003cstrong\u003ePY4GPAB36090AA\u003c\/strong\u003e control board. Off-spec aftermarket switches with loose tolerances can cause nuisance lockouts or — more dangerously — allow ignition under inadequate draft conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power and gas before servicing. Locate the switch on or near the inducer housing. Disconnect the single rubber pressure hose and two wire terminals. Swap the switch, reconnect hose and terminals, restore power. Tools needed: flat-head screwdriver, needle-nose pliers, manometer (to verify draft after install). Always clear any fault codes after replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for Carrier model \u003cstrong\u003ePY4GPAB36090AA\u003c\/strong\u003e. OEM part number HK06WC061, current superseding part number HK06MB061. Also fits select Bryant and Payne models with the same 0.18\" W.C. pressure switch specification — verify your unit's data plate and existing part number before ordering. Have questions about fitment? Our HVAC parts team confirms compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640310747507,"sku":"CARRIE-PY4GPAB36090AA-PRESSURE_SWITCH-HK06WC061","price":47.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640310780275,"sku":"CARRIE-PY4GPAB36090AA-PRESSURE_SWITCH-HK06WC061-GEN","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_a809bef8-7607-4a7c-84d4-786fece39598.jpg?v=1775036736"},{"product_id":"carrier-py4gpaa60130aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch for PY4GPAA60130AA","description":"\u003ch1\u003eCarrier OEM Pressure Switch for PY4GPAA60130AA\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier PY4GPAA60130AA\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK06WC061\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model PY4GPAA60130AA. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640310944115,"sku":"CARRIE-PY4GPAA60130AA-PRESSURE_SWITCH-HK06WC061","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640310976883,"sku":"CARRIE-PY4GPAA60130AA-PRESSURE_SWITCH-HK06WC061-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_dde866d8-2c06-4a4a-b755-4ea22dbdee96.jpg?v=1775038272"},{"product_id":"carrier-py4gpaa60115aa-pressure-switch-h43sg3","title":"OEM Carrier Draft Pressure Switch 0.18\" WC for PY4GPAA60115AA","description":"\u003ch1\u003eOEM Carrier Draft Inducer Pressure Switch 0.18\" WC for Model PY4GPAA60115AA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM draft pressure proving switch for the \u003cstrong\u003eCarrier PY4GPAA60115AA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer motor during the pre-purge cycle. If the switch fails to close — or fails to open — the integrated furnace control board will lock out ignition, leaving you with no heat. Common symptoms include a furnace that starts the inducer but never advances to ignition, or a system that throws a pressure switch fault code on the control board.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (inches water column) set point | Normally open (N.O.) | Single-port sensing | Replaces OEM part number HK06WC061 (superseded by HK06MB061) | Also cross-references Honeywell IS20224-5236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM-grade switch is factory-calibrated to the exact 0.18\" W.C. set point required by the Carrier PY4GPAA60115AA control sequence. Off-tolerance generic switches can cause nuisance lockouts or — worse — allow ignition during inadequate venting conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power before servicing. Tools needed: 1\/4\" nut driver, needle-nose pliers, and a manometer or magnehelic gauge to verify set point after installation. Inspect rubber sensing hose for cracks before reusing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003ePY4GPAA60115AA\u003c\/strong\u003e packaged unit. Also fits compatible Bryant and Payne models sharing the HK06WC061 \/ HK06MB061 specification — always confirm the 0.18\" W.C. rating on your unit's existing switch before ordering. In stock and ready to ship today — contact our parts team for fitment verification.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640311796083,"sku":"CARRIE-PY4GPAA60115AA-PRESSURE_SWITCH-HK06WC061","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640311828851,"sku":"CARRIE-PY4GPAA60115AA-PRESSURE_SWITCH-HK06WC061-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_5c8fad4c-a8c6-4808-927b-3a3149d46e99.jpg?v=1775027593"},{"product_id":"carrier-py4gpaa60090aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAA60090AA — HK06WC061","description":"\u003ch1\u003eOEM Carrier Draft Inducer Pressure Switch 0.18\" WC for Model PY4GPAA60090AA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement pressure switch for the \u003cstrong\u003eCarrier PY4GPAA60090AA\u003c\/strong\u003e packaged unit. The draft inducer pressure switch is a critical safety component that monitors negative pressure inside the heat exchanger flue — confirming that the inducer motor has established proper airflow before allowing the ignition sequence to proceed. When this switch fails or sticks, the control board cannot verify safe venting conditions, resulting in a \u003cstrong\u003eno-heat lockout\u003c\/strong\u003e, a blinking fault code, or a furnace that attempts ignition but immediately shuts down. Common causes of failure include a cracked rubber hose, a plugged condensate port, a weak inducer motor, or a mechanically failed switch diaphragm.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" WC (inches water column) setpoint | SPST (Single Pole, Single Throw) | Draft-proving \/ negative-pressure type | Factory-matched Honeywell switch assembly (cross-ref: IS20224-5236)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM switch meets exact Carrier factory tolerances. Aftermarket pressure switches frequently deviate from the rated W.C. setpoint, causing nuisance lockouts or — more dangerously — allowing ignition under unsafe venting conditions. OEM is the only recommended choice for a safety-critical component.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Standard hand tools required: 1\/4\" nut driver, flat-head screwdriver, and needle-nose pliers. Disconnect power and gas before servicing. Inspect the rubber hose connecting the switch to the inducer for cracks or blockages before installing the new switch — a faulty hose causes the same symptoms as a bad switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty \u0026amp; Shipping:\u003c\/strong\u003e Backed by a 1-year OEM manufacturer warranty. In stock and ships same business day from our warehouse when ordered by 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSupersession Note:\u003c\/strong\u003e OEM part number HK06WC061 has been superseded by \u003cstrong\u003eHK06MB061\u003c\/strong\u003e. Both part numbers are cross-referenced here — you will receive the current production replacement, which is a direct drop-in for the original. Compatible with Carrier, Bryant, and Payne platforms sharing this pressure switch specification. Verify the 0.18\" WC rating on your unit's wiring diagram or data plate before ordering. Our parts specialists are available to confirm fitment — contact us before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640312156531,"sku":"CARRIE-PY4GPAA60090AA-PRESSURE_SWITCH-HK06WC061","price":52.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640312189299,"sku":"CARRIE-PY4GPAA60090AA-PRESSURE_SWITCH-HK06WC061-GEN","price":46.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_2cfbe363-82ac-4647-a0e5-acd4246b5275.jpg?v=1775036734"},{"product_id":"carrier-py4gpaa48130aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch for PY4GPAA48130AA","description":"\u003ch1\u003eCarrier OEM Pressure Switch for PY4GPAA48130AA\u003c\/h1\u003e\u003cp\u003eDirect OEM replacement Pressure Switch for \u003cstrong\u003eCarrier PY4GPAA48130AA\u003c\/strong\u003e. Part number: \u003cstrong\u003eHK06WC061\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect OEM replacement — exact factory specifications\u003c\/li\u003e\n\u003cli\u003eSame-day shipping on orders before 3PM CST\u003c\/li\u003e\n\u003cli\u003e1-year OEM warranty included\u003c\/li\u003e\n\u003cli\u003eOur team verifies fitment before you order\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCompatible with Carrier model PY4GPAA48130AA. Ships from our Houston-area warehouse.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640312418675,"sku":"CARRIE-PY4GPAA48130AA-PRESSURE_SWITCH-HK06WC061","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640312451443,"sku":"CARRIE-PY4GPAA48130AA-PRESSURE_SWITCH-HK06WC061-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_9a0711b7-19ac-4adf-aec8-cec615b54f50.jpg?v=1775038270"},{"product_id":"carrier-py4gpaa48115aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GPAA48115AA — HK06WC061","description":"\u003ch1\u003eOEM Carrier Furnace Pressure Switch 0.18\" WC for Model PY4GPAA48115AA (HK06WC061)\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier draft inducer pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GPAA48115AA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer motor to confirm proper venting before allowing ignition to proceed. When this switch fails or sticks open, the control board cannot verify that the flue is drawing correctly — resulting in a furnace that locks out before ignition, often flashing a fault code for a failed pressure switch. Note: OEM part number \u003cstrong\u003eHK06WC061\u003c\/strong\u003e has been superseded by the updated OEM part number \u003cstrong\u003eHK06MB061\u003c\/strong\u003e, which is the current factory-authorized direct replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) rating | SPST (Single Pole, Single Throw) | Draft inducer proving switch | Factory-matched Honeywell switch assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM replacement, engineered to the exact W.C. rating and switching tolerance for the \u003cstrong\u003ePY4GPAA48115AA\u003c\/strong\u003e. Off-brand switches with loose W.C. tolerances can cause nuisance lockouts or, worse, allow ignition under unsafe venting conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off power and gas before servicing. Tools needed: 1\/4\" nut driver, flat-head screwdriver, manometer (recommended to verify W.C. after install). Always label tubing orientation before removing the old switch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship same business day when ordered by 5 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits Carrier model \u003cstrong\u003ePY4GPAA48115AA\u003c\/strong\u003e packaged unit. Also compatible with select Bryant and Payne models sharing the same 0.18\" WC pressure switch specification — verify your data plate before ordering. Cross-references: HK06WC061 (superseded), HK06MB061 (current OEM), Honeywell IS20224-5236. Questions? Our HVAC parts specialists verify fitment before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640312779123,"sku":"CARRIE-PY4GPAA48115AA-PRESSURE_SWITCH-HK06WC061","price":48.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640312811891,"sku":"CARRIE-PY4GPAA48115AA-PRESSURE_SWITCH-HK06WC061-GEN","price":42.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_be0ef07c-58e1-4bf1-b20c-46fe1c75e692.jpg?v=1775036731"},{"product_id":"carrier-py4gnac30060na-pressure-switch-h43sg3","title":"OEM Carrier Draft Pressure Switch 0.18 WC for PY4GNAC30060NA","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC for Model PY4GNAC30060NA\u003c\/h1\u003e\u003cp\u003eThis OEM draft pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GNAC30060NA\u003c\/strong\u003e packaged unit. The pressure switch is a critical safety component that monitors negative pressure created by the inducer motor to confirm proper venting before the ignition sequence is allowed to proceed. When this switch fails or sticks, the control board interprets it as a venting fault and locks out the furnace — resulting in a no-heat call, a flashing fault code, or a system that attempts ignition and immediately shuts down.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) setpoint | Draft-proving (normally open) | OEM Part # HK06WC061 \/ Superseded by HK06MB061 | Replaces Honeywell IS20224-5236 | Factory-matched switching tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are calibrated to exact W.C. tolerances at the factory. Aftermarket units often drift outside spec, causing nuisance lockouts or — worse — allowing ignition during inadequate draft conditions. Always use OEM for safety-critical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power and gas before servicing. Tools needed: 1\/4\" nut driver, needle-nose pliers, flashlight. Disconnect the rubber hose and two wire leads, swap the switch, and confirm tubing is seated without kinks. Check for fault codes before and after replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for \u003cstrong\u003eCarrier PY4GNAC30060NA\u003c\/strong\u003e packaged units. This part is also used across select Bryant and Payne models sharing the same inducer\/venting assembly. Verify the 0.18\" W.C. rating on your unit's existing switch or wiring diagram before ordering. Our team is available to confirm fitment — don't guess on safety parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640312975731,"sku":"CARRIE-PY4GNAC30060NA-PRESSURE_SWITCH-HK06WC061","price":45.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640313008499,"sku":"CARRIE-PY4GNAC30060NA-PRESSURE_SWITCH-HK06WC061-GEN","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_a4705675-1dcc-47e0-a809-b05520874542.jpg?v=1775027532"},{"product_id":"carrier-py4gnac30060aa-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18\" WC for PY4GNAC30060AA","description":"\u003ch1\u003eOEM Carrier Draft Inducer Pressure Switch 0.18\" WC for Model PY4GNAC30060AA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier draft inducer pressure switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GNAC30060AA\u003c\/strong\u003e packaged unit. The pressure switch monitors negative pressure created by the inducer blower motor to confirm safe venting conditions before allowing the ignition sequence to proceed. When this switch fails or sticks open, the control board cannot verify inducer operation and will lock out the entire heating cycle — leaving you with a system that attempts to start but shuts down before any ignition occurs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" Water Column (WC) setpoint | SPST normally open | OEM Part# HK06WC061 (updated successor: HK06MB061) | Replaces Honeywell IS20224-5236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are calibrated to exact factory WC ratings (±0.01\" tolerance). Off-spec aftermarket switches can trigger nuisance lockouts or, worse, allow ignition under unsafe venting conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Power down the unit and verify inducer has stopped before servicing. Tools needed: 1\/4\" and 5\/16\" nut driver, needle-nose pliers, manometer (for verification). Disconnect the rubber hose from the switch port, swap connectors, and reconnect hose. Always confirm furnace cycles through full ignition sequence after replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Direct OEM replacement for Carrier model \u003cstrong\u003ePY4GNAC30060AA\u003c\/strong\u003e packaged units. Note: HK06WC061 has been officially superseded by Carrier part number HK06MB061 — both are included in our listing and are fully interchangeable. Verify your unit's data plate WC rating before ordering. Our fitment team is available to confirm compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640313139571,"sku":"CARRIE-PY4GNAC30060AA-PRESSURE_SWITCH-HK06WC061","price":47.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640313172339,"sku":"CARRIE-PY4GNAC30060AA-PRESSURE_SWITCH-HK06WC061-GEN","price":41.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_87a2ff75-b72b-403c-b6d6-aea7550e315f.jpg?v=1775036721"},{"product_id":"carrier-py4gnac30040na-pressure-switch-h43sg3","title":"OEM Carrier Pressure Switch 0.18 WC for PY4GNAC30040NA — HK06WC061","description":"\u003ch1\u003eOEM Carrier Draft Pressure Switch 0.18\" WC for Model PY4GNAC30040NA (HK06WC061 \/ HK06MB061)\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier draft pressure proving switch is the factory-specified replacement for the \u003cstrong\u003eCarrier PY4GNAC30040NA\u003c\/strong\u003e packaged unit. The pressure switch monitors the negative pressure (draft) created by the inducer motor before allowing the ignition sequence to begin. When it fails or sticks open, the control board cannot confirm that combustion gases are being safely exhausted — resulting in a no-heat lockout condition, typically before the igniter ever fires.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 0.18\" W.C. (water column) rating | Normally open, closes on draft | Replaces OEM part HK06WC061 (superseded by HK06MB061) | Also replaces Honeywell IS20224-5236 | Compatible with Carrier, Bryant, and Payne furnaces, packaged units, heat pumps, and air handlers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM-equivalent part built to factory W.C. specifications. Generic pressure switches often carry ±10–15% set-point variance, which can cause nuisance lockouts or — worse — fail to detect a true venting fault. Exact W.C. rating is critical for safe furnace operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power and gas before servicing. Tools needed: 1\/4\" nut driver, flathead screwdriver, and a manometer (recommended to verify draft after replacement). Disconnect the rubber hose and two wire leads, swap the switch, and reconnect. Always inspect the hose for cracks or blockages while the switch is removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM warranty. In stock and ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits Carrier model \u003cstrong\u003ePY4GNAC30040NA\u003c\/strong\u003e and related Bryant and Payne packaged units using the 0.18\" W.C. draft pressure switch specification. Verify W.C. rating on your unit's wiring diagram or data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — call or chat today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640313205107,"sku":"CARRIE-PY4GNAC30040NA-PRESSURE_SWITCH-HK06WC061","price":43.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640313237875,"sku":"CARRIE-PY4GNAC30040NA-PRESSURE_SWITCH-HK06WC061-GEN","price":38.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC061_bdd5297f-36ea-47b3-910b-847f41da89d8.jpg?v=1775036547"}],"url":"https:\/\/nationalhvacparts.com\/collections\/pressure-switches.oembed","provider":"National HVAC Parts","version":"1.0","type":"link"}