{"product_id":"carrier-c48a304061-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V to 24V for C48A304061 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA for Model C48A304061\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) is the factory-specified step-down transformer for the \u003cstrong\u003eCarrier C48A304061\u003c\/strong\u003e packaged unit. The transformer converts 120V line voltage down to the 24V signal voltage that powers your control board, thermostat, and all low-voltage control circuits. When this component fails, the entire control circuit goes dark — the thermostat becomes unresponsive, the system won't call for heating or cooling, and the unit appears completely dead despite having full power at the disconnect.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 120V primary \/ 24V secondary | OEM part number HT01BD236 | Factory-matched output for Carrier low-voltage control circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to exact factory VA and voltage specifications. Undersized or off-tolerance generic transformers can overload, trip internal fuses, or damage sensitive control boards over time — costing far more than the transformer itself.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before starting. Tools needed: flathead and Phillips screwdrivers, wire strippers, multimeter, needle-nose pliers. Label all low-voltage wiring before disconnecting. Verify 24V output with a multimeter after installation before closing the panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the \u003cstrong\u003eCarrier C48A304061\u003c\/strong\u003e packaged unit. Always verify your existing transformer's VA rating and primary\/secondary voltage from the unit data plate or existing part label before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you order if you have any questions. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909750509939,"sku":"CARRIE-C48A304061-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909750542707,"sku":"CARRIE-C48A304061-TRANSFORMER-HT01BD236-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-HT01BD236_55990f1c-9baa-40d4-8f95-9fc832ab0946.jpg?v=1782939166","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a304061-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}