{"product_id":"carrier-c50a304061-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V-24V for C50A304061","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V–24V for Model C50A304061\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified control transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C50A304061\u003c\/strong\u003e commercial rooftop unit. The transformer steps down 120V line voltage to the 24V AC signal that powers your thermostat, control board, contactor coils, and all low-voltage safety circuits. When this transformer fails, the entire control circuit goes dead — the thermostat goes blank, the system refuses to respond to any call for heating or cooling, and no safety devices can operate. It is often the first component to inspect when nothing works at all.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary input | 24V secondary output | Class 2 transformer | Direct OEM replacement per part number HT01BD236\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 load. Undersized or off-tolerance generic transformers can overheat, blow the control fuse, or cause erratic system behavior across multiple components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or spade connectors. Verify 24V output with a multimeter after installation before restoring full system power. Always confirm primary fuse or breaker is intact prior to replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship 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\u003eC50A304061\u003c\/strong\u003e commercial packaged rooftop unit. Verify your unit's data plate shows 120V primary control circuit before ordering. If you're unsure of fitment, our parts team can confirm compatibility before you purchase — same-day shipping available on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909696180595,"sku":"CARRIE-C50A304061-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909696213363,"sku":"CARRIE-C50A304061-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_b65cbc2c-1caa-4c97-8df2-22fb60770f66.jpg?v=1782939345","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a304061-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}