{"product_id":"carrier-c48a402062-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V to 24V for C48A402062 | National HVAC Parts","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA for Model C48A402062\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier C48A402062\u003c\/strong\u003e packaged unit. The transformer steps down 120V line voltage to 24V to power the control circuit, including the thermostat, contactor coil, and all low-voltage safety controls. When the transformer fails, the entire control circuit goes dead — nothing responds, the thermostat goes blank, and the system will not start or respond to any commands.\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 output tolerance for reliable low-voltage control\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 C48A402062 control circuit. Undersized or off-tolerance generic transformers can overheat, trip internal breakers, or damage downstream control boards and contactors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect before servicing. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Verify 24V output with a meter before reconnecting low-voltage wiring. Photograph all wiring connections prior to removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship 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\u003eC48A402062\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers \u003cstrong\u003eHT01BD236\u003c\/strong\u003e and \u003cstrong\u003eHT01BD702\u003c\/strong\u003e. Confirm voltage and VA rating on your unit's data plate before ordering. Not sure it fits? Our HVAC parts specialists verify fitment before you buy — contact us before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909745627507,"sku":"CARRIE-C48A402062-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909745660275,"sku":"CARRIE-C48A402062-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_a73ad711-3105-4faa-ae7e-bcf48eb66b97.jpg?v=1782939192","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a402062-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}