{"product_id":"carrier-c50a302061-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A302061","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA for Model C50A302061\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part# \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) is the factory-specified control transformer for the \u003cstrong\u003eCarrier C50A302061\u003c\/strong\u003e commercial rooftop unit. The transformer steps down 120V line voltage to the 24V signal required by your thermostat, control board, contactor coils, and all other low-voltage control circuit components. When this transformer fails, the entire control circuit loses power — the result is a completely unresponsive system with no thermostat communication, no staging, and no operation whatsoever. A failed transformer is often misdiagnosed as a bad thermostat or control board, making correct identification critical before replacing more expensive components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Factory-matched impedance | OEM part number HT01BD236 | Designed for commercial rooftop application\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This factory OEM transformer meets exact VA rating and insulation class specifications for the C50A302061. Generic transformers frequently underrate their actual VA capacity, causing overheating and premature failure — especially under the higher control circuit loads typical of commercial rooftop units.\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, needle-nose pliers, multimeter. Always verify 0V at primary terminals before touching wiring. Document lead colors and terminal positions with a photo prior to disconnecting the old unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock and ships 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\u003eC50A302061\u003c\/strong\u003e commercial packaged rooftop unit. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate before ordering to ensure proper fitment. Our HVAC parts specialists are available to confirm compatibility before you buy — don't guess on a commercial job. Order now for same-day shipping.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909707354483,"sku":"CARRIE-C50A302061-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909707387251,"sku":"CARRIE-C50A302061-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_dbf80093-6432-417c-82cb-fe2d45640c42.jpg?v=1782940405","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a302061-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}