{"product_id":"carrier-ga1aad060130acja-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V-24V for GA1AAD060130ACJA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model GA1AAD060130ACJA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier GA1AAD060130ACJA\u003c\/strong\u003e gas furnace. The transformer steps down 120V line voltage to the 24V AC signal that powers your thermostat, control board, gas valve, and all low-voltage safety circuits. When the transformer fails, the entire control circuit loses power — the thermostat goes blank, the system won't respond to any calls for heat or cooling, and in many cases the furnace appears completely dead with no error codes. A blown fuse on the secondary side is often the first clue the transformer has failed or is overloaded.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | Class 2 rated | Foot-mount configuration | OEM part number HT01BC116\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory OEM transformer is wound to exact VA and voltage tolerances for the GA1AAD060130ACJA control board. Generic transformers may run hot under full load, trip thermal cutoffs prematurely, or deliver slightly off-spec voltage that confuses sensitive control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter, needle-nose pliers. Label all low-voltage wires before disconnecting and verify 24V output after installation before reassembling the cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock and 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 Carrier \u003cstrong\u003eGA1AAD060130ACJA\u003c\/strong\u003e gas furnace. Confirm your existing transformer's VA rating and primary\/secondary voltages on the unit's data plate or wiring diagram before ordering. If you're unsure, our parts team is happy to verify fitment before you buy — no guesswork, guaranteed right part.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909447340403,"sku":"CARRIE-GA1AAD060130ACJA-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909447373171,"sku":"CARRIE-GA1AAD060130ACJA-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_bb6028c0-e6ac-4500-9358-1aabdfe0cecf.jpg?v=1782939782","url":"https:\/\/nationalhvacparts.com\/products\/carrier-ga1aad060130acja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}