{"product_id":"carrier-gb1aav024065acja-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V-24V for GB1AAV024065ACJA","description":"\u003ch1\u003eOEM Carrier 40VA Transformer HT01BC116 for Model GB1AAV024065ACJA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier GB1AAV024065ACJA\u003c\/strong\u003e gas furnace. The transformer steps down line voltage (120V) to the 24V AC signal that powers your thermostat, control board, and all low-voltage safety controls. When the transformer fails, the entire control circuit goes dead — your thermostat goes blank, the furnace won't respond to any call for heat, and nothing happens when you check the stat. A blown transformer is often the first casualty of a shorted control wire or a miswired thermostat installation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V AC | Secondary: 24V AC | Compact chassis-mount design | Factory-matched output for Carrier low-voltage control circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit is wound to Carrier's exact VA and voltage specifications. Undersized or off-tolerance generic transformers can overheat, trip internal thermal protection, or fail to supply adequate current to multi-stage controls and communicating thermostats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before beginning. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output and check for a shorted secondary before replacement). Always inspect low-voltage wiring for shorts before energizing the new transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM drop-in replacement for Carrier model \u003cstrong\u003eGB1AAV024065ACJA\u003c\/strong\u003e gas furnaces using part number HT01BC116. Confirm your existing transformer's VA rating and primary\/secondary voltages on the data plate before ordering. Need help verifying fitment? Our HVAC parts specialists confirm compatibility before you buy — same-day shipping on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909434724723,"sku":"CARRIE-GB1AAV024065ACJA-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909434757491,"sku":"CARRIE-GB1AAV024065ACJA-TRANSFORMER-HT01BC116-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01BC116_5e3e73af-d805-4e4c-b2ea-f789fb4bee86.jpg?v=1782939797","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb1aav024065acja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}