{"product_id":"carrier-gb1aav036045adja-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V-24V for GB1AAV036045ADJA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model GB1AAV036045ADJA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier GB1AAV036045ADJA\u003c\/strong\u003e gas furnace. The transformer steps down 120V line voltage to the 24V AC signal required to power the thermostat, control board, gas valve, and all other low-voltage components. When this part fails, the entire control circuit goes dead — the thermostat goes blank, the system is completely unresponsive, and no heating or cooling operation is possible. A blown transformer is often caused by a wiring short downstream, so always inspect low-voltage wiring before replacing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BC116 | Factory-matched output for Carrier low-voltage control circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances specified by Carrier. Undersized or off-tolerance generic units can overheat, trip their internal fuse, or damage sensitive control boards and gas valves over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and verify with a multimeter before touching any wiring. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or quick-connect terminals. Label or photograph all wiring before disconnecting. Check for downstream shorts before energizing the new transformer.\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 Designed specifically for the Carrier \u003cstrong\u003eGB1AAV036045ADJA\u003c\/strong\u003e gas furnace using OEM part number HT01BC116. Confirm your unit's transformer VA rating and voltage on the data plate before ordering. Our HVAC parts specialists are available to verify fitment — order with confidence and get back to comfort fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909430104435,"sku":"CARRIE-GB1AAV036045ADJA-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909430137203,"sku":"CARRIE-GB1AAV036045ADJA-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_b196f447-9484-4c8f-a9c5-a9dc6952da16.jpg?v=1782939800","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb1aav036045adja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}