{"product_id":"carrier-pg9mab036080absa-pressure-switch-gxu1h7","title":"OEM Carrier Pressure Switch w\/ Bracket 1.81\" WC — HK06NB124","description":"\u003ch1\u003eOEM Carrier Pressure Switch with Bracket 1.81\" WC for Model PG9MAB036080ABSA — HK06NB124\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement pressure switch with mounting bracket for the \u003cstrong\u003eCarrier PG9MAB036080ABSA\u003c\/strong\u003e gas furnace. The pressure switch monitors negative pressure created by the inducer blower to prove proper venting before the control board advances to the ignition sequence. When this switch fails or its diaphragm hardens and sticks, the furnace locks out — often displaying a \u003cstrong\u003ePressure Switch Fault\u003c\/strong\u003e or \u003cstrong\u003eError Code 31\u003c\/strong\u003e — and no heat is produced. Replacing it with the correct OEM part restores reliable, factory-calibrated operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 1.81\" WC rating | SPST (Single-Pole, Single-Throw) | -1.65\" WC set point | Includes factory mounting bracket | Supersedes HK06NB119, HK06NB120, HK06NB122\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches use precision-calibrated diaphragms matched to exact W.C. tolerances. Off-brand switches can trip too early or too late, causing nuisance lockouts or, worse, failing to detect a true venting fault — a potential safety risk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Power down and confirm inducer is off before servicing. Tools needed: 1\/4\" nut driver, flathead screwdriver, needle-nose pliers. Photograph hose routing before disconnecting. Note: ports may be labeled + and –; match flow restrictor\/orifice port to the original switch orientation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock — ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier PG9MAB036080ABSA\u003c\/strong\u003e gas furnace. This part is also the current superseding replacement for over 200 Carrier and Bryant residential furnaces. Always verify your unit's data plate and current pressure switch W.C. rating before ordering. Our team is available to confirm fitment — just reach out before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642166071667,"sku":"CARRIE-PG9MAB036080ABSA-PRESSURE_SWITCH-HK06NB124","price":106.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642166104435,"sku":"CARRIE-PG9MAB036080ABSA-PRESSURE_SWITCH-HK06NB124-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-HK06NB124_9aebc125-f4aa-4e1e-a3d6-05161e40f6b6.jpg?v=1775038557","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg9mab036080absa-pressure-switch-gxu1h7","provider":"National HVAC Parts","version":"1.0","type":"link"}