{"product_id":"carrier-c48a503062-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V\/24V for C48A503062","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V to 24V for Model C48A503062\u003c\/h1\u003e\u003cp\u003eThis OEM replacement control transformer is the factory-specified unit for the \u003cstrong\u003eCarrier C48A503062\u003c\/strong\u003e packaged HVAC system. The transformer steps down 120V line voltage to the 24V signal required by your thermostat, contactor coils, and control board. When it fails, the entire control circuit goes dark — your thermostat will show no power, the system will not respond to any call for heating or cooling, and no error codes will display because the board itself has no power to operate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V | Secondary: 24V | OEM part numbers HT01BD236 and HT01BD702 | Factory-matched winding and insulation class\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage specifications for the Carrier C48A503062 control circuit. Undersized or off-tolerance generic units can overheat under load, trip internal thermal protectors, and leave you with an intermittent or unreliable control 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, needle-nose pliers, multimeter (verify 24V output after install). Label and photograph all wiring connections before removal to ensure correct 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 \u003cstrong\u003eCarrier model C48A503062\u003c\/strong\u003e packaged units. Cross-references OEM part numbers \u003cstrong\u003eHT01BD236\u003c\/strong\u003e and \u003cstrong\u003eHT01BD702\u003c\/strong\u003e — both numbers confirm fitment of this exact transformer. Always verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate before ordering. Have a fitment question? Our HVAC parts specialists verify compatibility before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909732946291,"sku":"CARRIE-C48A503062-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909732979059,"sku":"CARRIE-C48A503062-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_11752d5b-2044-479b-a87f-efc78248e768.jpg?v=1782940199","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a503062-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}