{"product_id":"carrier-c48a306061-transformer-h302a1","title":"OEM Carrier 40VA 120V to 24V Control Transformer for C48A306061 (HT01BD236) | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V\/24V for Model C48A306061\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement control transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C48A306061\u003c\/strong\u003e packaged unit. The transformer steps down 120V line voltage to the 24V signal used by your thermostat, contactor coil, and control board. When this transformer fails, the entire control circuit goes dead — the thermostat goes blank, the system won't respond to any calls for heating or cooling, and nothing in the unit appears to power on despite the disconnect being live. 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 Input: 120V AC | Output: 24V AC | Capacity: 40VA | OEM Part Number: HT01BD236 | Factory-matched primary and secondary winding specifications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to Carrier's exact VA and voltage specifications, ensuring proper current capacity for all downstream 24V components. Generic transformers can run underrated, causing overheating, nuisance tripping of the internal thermal fuse, and premature failure of connected controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the disconnect switch and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Label all wire connections before removal. 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 in materials and workmanship. Orders received before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eC48A306061\u003c\/strong\u003e packaged unit. Always confirm input voltage and VA rating on your unit's wiring diagram or data plate before ordering to ensure correct fitment. Our parts specialists are available to verify compatibility before you purchase — reach out before you order and we'll confirm the right fit.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909747593587,"sku":"CARRIE-C48A306061-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909747626355,"sku":"CARRIE-C48A306061-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_f4f564ff-9aa8-4a33-b300-bcf48c17f5a9.jpg?v=1782899343","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a306061-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}