{"product_id":"carrier-gb1aav036065agja-pressure-switch-h43srx","title":"OEM Carrier Pressure Switch w\/ Bracket for GB1AAV036065AGJA — HK06WC09","description":"\u003ch1\u003eOEM Carrier Pressure Switch with Bracket for Model GB1AAV036065AGJA (HK06WC090)\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement pressure switch with mounting bracket for the \u003cstrong\u003eCarrier GB1AAV036065AGJA\u003c\/strong\u003e gas furnace. The pressure switch monitors negative pressure created by the inducer draft motor to confirm safe venting conditions before allowing ignition to proceed. When this switch fails — or becomes stuck open — the control board cannot verify inducer operation and the furnace locks out before ever reaching the ignition stage. Common symptoms include a blinking error code for \"pressure switch open,\" repeated startup attempts with no heat, or the inducer motor running continuously without progressing to ignition.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Factory-calibrated W.C. (water column) rating matched to Carrier GB1AAV036065AGJA | Includes OEM mounting bracket | 24V control circuit | Single-port configuration — verify hose and port count on your existing switch before ordering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM pressure switches are calibrated to the exact W.C. threshold required by your furnace's venting design. Off-spec generic switches may trip too early or too late, causing nuisance lockouts, unsafe ignition attempts, or voiding manufacturer warranties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Turn off power and gas before beginning. Tools needed: 1\/4\" and 5\/16\" nut drivers, small flathead screwdriver, needle-nose pliers. Disconnect the rubber pressure hose and two-wire connector, unmount old bracket, and reverse steps for installation. Inspect hose for cracks or blockages while switch is removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed and factory-specified for the Carrier \u003cstrong\u003eGB1AAV036065AGJA\u003c\/strong\u003e gas furnace. Always cross-reference OEM part number \u003cstrong\u003eHK06WC090\u003c\/strong\u003e and confirm your existing switch's W.C. rating from the data plate or switch label before ordering. Our HVAC parts specialists are available to verify fitment — reach out before you buy for complete peace of mind. \u003cem\u003eIn stock and ships today.\u003c\/em\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909426991475,"sku":"CARRIE-GB1AAV036065AGJA-PRESSURE_SWITCH-HK06WC090","price":27.0,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909427024243,"sku":"CARRIE-GB1AAV036065AGJA-PRESSURE_SWITCH-HK06WC090-GEN","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-draft-inducer-HK06WC090_83dc4d02-4c89-4ac2-921c-a610813313c8.jpg?v=1782931498","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb1aav036065agja-pressure-switch-h43srx","provider":"National HVAC Parts","version":"1.0","type":"link"}