{"product_id":"carrier-c50a202052-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A202052","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V\/24V for Model C50A202052\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier C50A202052\u003c\/strong\u003e commercial packaged unit. The transformer steps down 120V line voltage to the 24V signal required by your thermostat, control board, contactor coil, and all low-voltage safety circuits. When the transformer fails, the entire control circuit goes dead — your thermostat goes blank, the system stops responding to calls for heating or cooling, and nothing turns on. It is one of the first components to check when a unit has completely lost control-side function.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V | Secondary: 24V | OEM part number HT01BD236 | Direct factory-matched replacement for Carrier C50A202052\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer meets Carrier's exact VA rating and insulation class. Undersized or off-brand transformers can overheat under full control-circuit load, tripping thermal protection or failing prematurely — especially when multiple accessories (humidifiers, UV lights, zoning boards) share the 24V circuit.\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, wire stripper, multimeter. Verify 24V output with meter before reconnecting the control board. Label all wiring prior to removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eC50A202052\u003c\/strong\u003e commercial rooftop\/packaged unit. Verify your unit's control voltage requirements and VA draw on the data plate before ordering. If you are unsure of fitment, our HVAC parts team is available to confirm compatibility before you purchase — same-day shipping on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909718757747,"sku":"CARRIE-C50A202052-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909718790515,"sku":"CARRIE-C50A202052-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_27240c12-4e94-4ae6-a8b5-81ff6743b270.jpg?v=1782940319","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a202052-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}