{"product_id":"carrier-pressure-switch-gb1aav048091acja","title":"OEM Carrier Pressure Switch HK06WC078 for Model GB1AAV048091ACJA","description":"\u003cdiv\u003e\n\u003ch1\u003eOEM Carrier Pressure Switch HK06WC078 for Model GB1AAV048091ACJA\u003c\/h1\u003e\n\u003cp\u003eThis OEM Carrier pressure switch (HK06WC078) safeguards your GB1AAV048091ACJA gas furnace by verifying proper draft inducer airflow before allowing the burners to ignite. It prevents the furnace from firing when venting is blocked or the inducer is weak, protecting against dangerous flue gas spillage. If your furnace short-cycles, locks out after a few seconds, or reports a pressure-switch fault code, a stuck or failed switch is a leading cause. This direct-fit replacement matches the factory trip point and connections for the GB1AAV048091ACJA, restoring safe, reliable operation. Installation is a moderate DIY repair: disconnect power, photograph the wiring, transfer the rubber hose and spade terminals, and mount the new switch in the same orientation. Most jobs take under 30 minutes with simple hand tools. Genuine OEM ensures the correct pressure calibration that aftermarket parts often miss. In stock and ships same-day on orders before 3PM CST, getting your heat safely back online without delay.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model GB1AAV048091ACJA.\u003c\/p\u003e\n\u003ch2\u003eShipping\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping before 3 PM CST. 30-day returns on uninstalled parts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"Default Title","offer_id":62942785241459,"sku":"carrier-pressure-switch-gb1aav048091acja","price":39.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-gb1aav048091acja.jpg?v=1781470784","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pressure-switch-gb1aav048091acja","provider":"National HVAC Parts","version":"1.0","type":"link"}