{"product_id":"carrier-gb1aav024055aaja-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V\/24V for GB1AAV024055AAJA","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V\/24V for Model GB1AAV024055AAJA\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM control transformer (part number \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier GB1AAV024055AAJA\u003c\/strong\u003e gas furnace. The transformer steps down line voltage from 120V AC to 24V AC to power the low-voltage control circuit — including the thermostat, gas valve, inducer relay, and control board. When this transformer fails, the entire control circuit goes dead: your thermostat will display nothing, the furnace will not respond to any call for heat or cooling, and no safety controls will operate. It is often the first component to check when a system is completely unresponsive.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BC116 | Factory-matched for Carrier GB1AAV024055AAJA control circuit requirements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier transformer wound to exact VA and voltage specifications. Generic transformers may be under-rated in VA capacity, leading to premature failure under the full control-circuit load — especially in systems with zone valves or multiple accessories drawing 24V power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the disconnect switch and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label or photograph all wiring connections before removal. Verify primary and secondary voltages with a multimeter after installation before restoring the system to service.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. 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 as a direct OEM replacement for the Carrier \u003cstrong\u003eGB1AAV024055AAJA\u003c\/strong\u003e gas furnace. Confirm your existing transformer's VA rating and primary\/secondary voltages against your unit's data plate before ordering. Our technical team is available to verify fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909435576691,"sku":"CARRIE-GB1AAV024055AAJA-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909435609459,"sku":"CARRIE-GB1AAV024055AAJA-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_4d8dadd7-b8a8-4ae3-b4e6-6083a3b0ef33.jpg?v=1782941346","url":"https:\/\/nationalhvacparts.com\/products\/carrier-gb1aav024055aaja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}