{"product_id":"carrier-c50a202562-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120\/24V for C50A202562","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model C50A202562\u003c\/h1\u003e\u003cp\u003eThis is the factory-specified OEM replacement control transformer for the \u003cstrong\u003eCarrier C50A202562\u003c\/strong\u003e commercial packaged unit. The transformer steps down 120V line voltage to the 24V signal used by your thermostat, contactor coils, and control board. When it fails, the low-voltage control circuit goes completely dead — the thermostat goes blank, the system stops responding to calls for heating or cooling, and no components energize. A failed transformer is often misdiagnosed as a bad thermostat or control board, making correct identification critical before replacing costlier parts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Class 2 control transformer | OEM part numbers HT01BD236 and HT01BD702 — both are factory-approved replacements for this model\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 Carrier C50A202562 control circuit. Undersized or off-spec generic units can overheat, trip internal thermal cutoffs, or fail to sustain voltage under full control-circuit load, leading to nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the disconnect and breaker before servicing. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Verify 0V at primary terminals before touching wiring. Photograph all wire connections prior to removal and match lead colors carefully on reinstallation.\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 when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003eC50A202562\u003c\/strong\u003e commercial rooftop\/packaged unit. Cross-references OEM part numbers \u003cstrong\u003eHT01BD236\u003c\/strong\u003e and \u003cstrong\u003eHT01BD702\u003c\/strong\u003e. Always confirm your unit's control circuit voltage requirements on the data plate before ordering. Our HVAC parts specialists are available to verify fitment — reach out before you order if you have any questions.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909716660595,"sku":"CARRIE-C50A202562-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909716693363,"sku":"CARRIE-C50A202562-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_fcf9ded3-d8ce-49d2-af52-71d73414cf0c.jpg?v=1782938595","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a202562-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}