{"product_id":"carrier-kcaba01015tg-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V–24V for KCABA01015TG","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V–24V for Model KCABA01015TG\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier KCABA01015TG\u003c\/strong\u003e. The transformer steps down 120V line voltage to 24V AC, powering the thermostat, control board, contactor coil, and all low-voltage control wiring throughout the system. When this transformer fails, the entire control circuit goes dead — the thermostat goes blank, the system refuses to respond to any calls for heating or cooling, and you may find a tripped fuse on the control board. A failed transformer is one of the most common causes of a completely unresponsive HVAC system.\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 wire lead configuration for direct plug-in installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to Carrier's exact VA rating and insulation class. Undersized or off-tolerance generic transformers can overheat, blow the low-voltage fuse repeatedly, or damage sensitive control boards — costing far more than the transformer itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter (verify 24V output after install), wire nuts or spade connectors. Photograph existing wiring before disconnecting leads.\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 for the Carrier \u003cstrong\u003eKCABA01015TG\u003c\/strong\u003e air handler\/fan coil unit. Always verify your existing transformer's VA rating, primary voltage, and secondary voltage on the unit data plate before ordering. If you have any questions about fitment, our HVAC parts specialists confirm compatibility before your order ships — contact us today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909314859379,"sku":"CARRIE-KCABA01015TG-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909314892147,"sku":"CARRIE-KCABA01015TG-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_29687da8-f70a-476d-a3ed-59290585e804.jpg?v=1782941953","url":"https:\/\/nationalhvacparts.com\/products\/carrier-kcaba01015tg-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}