{"product_id":"carrier-gb1aav060111aeja-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120\/24V for GB1AAV060111AEJA — HT01BC116","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V\/24V for Model GB1AAV060111AEJA (HT01BC116)\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier GB1AAV060111AEJA\u003c\/strong\u003e gas furnace. The transformer is the heartbeat of your furnace's control circuit — it steps down line voltage (120V) to the 24V signal voltage that powers your thermostat, control board, gas valve, and all low-voltage components. When the transformer fails, the entire control circuit goes dark: the thermostat shows no response, the furnace won't initiate a heating cycle, and nothing happens when you adjust the setpoint. A failed transformer is often caused by a shorted low-voltage wire, a failed control board, or age-related winding degradation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V | Secondary: 24V | OEM part number HT01BC116 | Factory-matched winding impedance and VA capacity for full control circuit load\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 engineering. Undersized or off-tolerance generic units can cause erratic thermostat behavior, nuisance lockouts, or premature control board failure due to voltage sag under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, needle-nose pliers. Always check low-voltage wiring for shorts before installing the new transformer — a wiring short will blow the new unit immediately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty included. In-stock units ship 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\u003eGB1AAV060111AEJA\u003c\/strong\u003e gas furnace. Verify your existing transformer's VA rating and primary\/secondary voltages on the data plate before ordering. If you're unsure of fitment, our HVAC parts specialists will confirm compatibility before you buy — no guesswork required. Order today and get same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909413359987,"sku":"CARRIE-GB1AAV060111AEJA-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909413392755,"sku":"CARRIE-GB1AAV060111AEJA-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_88e3347a-f258-4bf6-b076-9241976d15ab.jpg?v=1782938732","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb1aav060111aeja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}