{"product_id":"carrier-ph10ja030000adaa-pressure-switch-jrhhvr","title":"OEM Carrier Pressure Switch 22#CLS 7#OPN 50\" Leads — PH10JA030000ADAA","description":"\u003ch1\u003eOEM Carrier Pressure Switch HK02ZB038 for Model PH10JA030000ADAA\u003c\/h1\u003e\u003cp\u003eThis OEM pressure switch (part number \u003cstrong\u003eHK02ZB038\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier PH10JA030000ADAA\u003c\/strong\u003e packaged heat pump\/gas unit. The pressure switch monitors negative pressure created by the inducer motor to confirm proper venting before allowing the control board to advance to ignition. When this switch fails or sticks closed\/open, the furnace or packaged unit will typically lock out before ignition — often triggering a pressure switch fault code and leaving you with no heat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Close pressure: 22\" W.C. | Open pressure: 7\" W.C. | Lead length: 50\" | Single-port design | OEM Carrier part number HK02ZB038\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier pressure switch calibrated to exact factory W.C. specifications. Aftermarket pressure switches frequently carry wider tolerances that can cause nuisance lockouts or — more dangerously — fail to detect true venting problems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off power at the disconnect before starting. Tools needed: 1\/4\" nut driver, needle-nose pliers, and a vacuum pump\/manometer for post-install verification. Disconnect the rubber hose and two wire leads, swap the switch, and confirm the hose connection is airtight before restoring power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against manufacturing defects. Orders ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Directly replaces the factory pressure switch on Carrier model \u003cstrong\u003ePH10JA030000ADAA\u003c\/strong\u003e. Always verify the W.C. rating printed on your existing switch matches 22#CLS \/ 7#OPN before ordering — other variants in the PH10JA series may require a different W.C. rating. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you order. \u003cstrong\u003eIn stock — order by 3 PM and it ships today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642013700467,"sku":"CARRIE-PH10JA030000ADAA-PRESSURE_SWITCH-HK02ZB038","price":57.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642013733235,"sku":"CARRIE-PH10JA030000ADAA-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_ea414092-c219-4ad0-b727-221a233c8ea8.jpg?v=1775036846","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ph10ja030000adaa-pressure-switch-jrhhvr","provider":"National HVAC Parts","version":"1.0","type":"link"}