{"product_id":"carrier-c50a502762-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A502762","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V–24V for Model C50A502762\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier C50A502762\u003c\/strong\u003e commercial rooftop unit. The transformer steps down 120V line voltage to the 24V signal voltage that powers your thermostat, contactor coils, and control board. When it fails, the entire control circuit goes dead — the thermostat goes blank, the system won't respond to any commands, and no heating or cooling stage will energize. It is one of the first components to check when a unit appears completely unresponsive.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V | Secondary: 24V | OEM part numbers HT01BD236 \/ HT01BD702 | Factory-matched impedance and thermal overload protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and impedance specifications for the C50A502762 control circuit. Undersized or off-spec generic transformers can trip on overload, damage control boards, or produce unstable 24V output that causes intermittent faults.\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 terminals. Verify 24V output after installation before restoring power to the full unit. Always photograph existing wiring before removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. 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 for the Carrier \u003cstrong\u003eC50A502762\u003c\/strong\u003e commercial packaged rooftop unit. Cross-references OEM part numbers \u003cstrong\u003eHT01BD236\u003c\/strong\u003e and \u003cstrong\u003eHT01BD702\u003c\/strong\u003e. Confirm primary voltage on your unit's data plate prior to ordering. Our parts specialists are available to verify fitment before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909673898355,"sku":"CARRIE-C50A502762-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909673931123,"sku":"CARRIE-C50A502762-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_d8d48245-5fd9-42a2-ba4a-3468f2f787f8.jpg?v=1782940587","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a502762-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}