{"product_id":"carrier-pg8jaa042090adja-pressure-switch-h43sgb","title":"OEM Carrier Pressure Switch Assembly w\/Bracket for PG8JAA042090ADJA","description":"\u003ch1\u003eOEM Carrier Pressure Switch Assembly w\/Bracket HK06WC069 for Model PG8JAA042090ADJA\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM pressure switch assembly with mounting bracket for the \u003cstrong\u003eCarrier PG8JAA042090ADJA\u003c\/strong\u003e gas furnace. The pressure switch is a safety device that monitors negative pressure (draft) produced by the inducer motor before allowing ignition to proceed. If the inducer fails to pull adequate draft — or if the pressure switch itself fails — the control board receives no proof signal and locks out the heat sequence entirely. Common symptoms include a furnace that starts the inducer but never reaches ignition, a blinking fault code indicating a pressure switch error, or a system that briefly attempts ignition and immediately shuts down.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HK06WC069 | Pressure Switch Assembly with Mounting Bracket | Single-stage operation | Factory W.C. rating: –0.27\" W.C. break \/ –0.42\" W.C. max make\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory-original Carrier\/Honeywell switch is calibrated to exact W.C. specifications for the PG8JAA042090ADJA. Aftermarket pressure switches often carry wider tolerances, risking nuisance lockouts or — more dangerously — failing to detect a true inducer fault.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Power down and disconnect gas before servicing. Tools needed: 1\/4\" and 5\/16\" nut drivers, needle-nose pliers, and a digital manometer (recommended to verify draft pressure post-install). Always inspect the rubber hose port for cracks or blockages before condemning the switch.\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 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003ePG8JAA042090ADJA\u003c\/strong\u003e packaged gas furnace. Before ordering, confirm the W.C. rating stamped on your existing switch matches this part. If you are diagnosing a pressure switch fault, also inspect the inducer motor, draft hose, and condensate drain for blockages — these are the most common root causes of pressure switch failures. Have questions about fitment? Our HVAC parts specialists verify compatibility before you order — \u003cstrong\u003eships today\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643205734771,"sku":"CARRIE-PG8JAA042090ADJA-PRESSURE_SWITCH-HK06WC069","price":82.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643205767539,"sku":"CARRIE-PG8JAA042090ADJA-PRESSURE_SWITCH-HK06WC069-GEN","price":72.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-HK06WC069_ae9482a7-e9a9-4ccd-bc9b-37046c47bb8c.jpg?v=1775037210","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8jaa042090adja-pressure-switch-h43sgb","provider":"National HVAC Parts","version":"1.0","type":"link"}