{"product_id":"carrier-c50a502062-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A502062","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V to 24V for Model C50A502062\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier control transformer (part numbers \u003cstrong\u003eHT01BD236\u003c\/strong\u003e and \u003cstrong\u003eHT01BD702\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier C50A502062\u003c\/strong\u003e commercial packaged unit. The transformer steps down 120V line voltage to the 24V signal voltage required to power the control board, thermostat, contactor coil, and all low-voltage safety circuits. When the transformer fails, the entire control circuit goes dead — the thermostat displays nothing, the system refuses to respond to any call for heating or cooling, and in some cases a tripped secondary fuse will be the first clue.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V | Secondary: 24V | Replaces OEM part numbers HT01BD236 and HT01BD702 | Factory-wound coil with thermal overload protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier transformer wound to exact VA and voltage tolerances. Generic transformers with undersized VA ratings can overheat under full control-circuit load, blowing the secondary fuse repeatedly and shortening the life of connected boards and contactors.\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 after install). Label or photograph all wire connections before removing the old transformer. Always check and replace the 3A secondary fuse if the old transformer failed due to overload.\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 stocked warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C50A502062\u003c\/strong\u003e commercial rooftop\/packaged unit. Cross-reference OEM part numbers HT01BD236 and HT01BD702 to confirm fitment. Always verify primary voltage on your unit's data plate before ordering — some installations may use a 208\/240V primary tap. Our HVAC parts specialists are available to confirm fitment before you purchase. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909676421491,"sku":"CARRIE-C50A502062-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909676454259,"sku":"CARRIE-C50A502062-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_16b491f5-441e-42dc-be29-07e2c04889d5.jpg?v=1782940565","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a502062-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}