{"product_id":"carrier-g1rs050a12-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V\/24V for G1RS050A12 — HT01BC116","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model G1RS050A12 — Part# HT01BC116\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# HT01BC116) is the factory-specified replacement for the \u003cstrong\u003eCarrier G1RS050A12\u003c\/strong\u003e furnace. The transformer steps down 120V line voltage to 24V to power the low-voltage control circuit — including the thermostat, control board, and gas valve relay. When it fails, the entire control circuit goes dark: the thermostat displays nothing, the system won't respond to any call for heat or cooling, and in many cases the furnace appears completely dead. A failed transformer is one of the most misdiagnosed problems in HVAC service, often confused with a bad control board.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | Class 2 insulated | Direct OEM replacement for part# HT01BC116\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit is wound to exact factory VA and voltage tolerances, ensuring stable 24V output under full control-circuit load. Undersized or off-spec generic transformers can sag under load, causing intermittent lockouts and nuisance board faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off power at the breaker and verify with a multimeter before touching any terminals. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or spade connectors. Photograph existing wiring before disconnecting. Replace the inline fuse if one is present — a blown transformer often indicates a downstream short.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. Ships same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eG1RS050A12\u003c\/strong\u003e furnace. Always verify your existing transformer's VA rating and primary\/secondary voltages from the data plate or wiring diagram before ordering. If you're unsure of fitment, our parts team confirms compatibility before your order ships — same-day on all in-stock OEM parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909455925619,"sku":"CARRIE-G1RS050A12-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909455958387,"sku":"CARRIE-G1RS050A12-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_adf6f3dc-0afb-47f5-a85c-cac742a29cc9.jpg?v=1782941298","url":"https:\/\/nationalhvacparts.com\/products\/carrier-g1rs050a12-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}