{"product_id":"carrier-c48a304062-transformer-h302a1","title":"OEM Carrier 40VA 120V to 24V Control Transformer for C48A304062 — Ships Today","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V to 24V Control Circuit for Model C48A304062\u003c\/h1\u003e\u003cp\u003eThis OEM control circuit transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier C48A304062\u003c\/strong\u003e packaged unit. The transformer steps down line voltage (120V) to the 24V AC signal required to power the thermostat, control board, contactor coil, and all low-voltage control components. When the transformer fails, the entire control circuit goes dead — the thermostat goes blank, the system produces no response to any call for heating or cooling, and fuses or breakers may trip repeatedly. Replacing a failed transformer with the correct OEM part restores proper voltage regulation and protects the downstream electronics it supplies.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | OEM Part Numbers: \u003cstrong\u003eHT01BD236\u003c\/strong\u003e \/ \u003cstrong\u003eHT01BD702\u003c\/strong\u003e | Factory-matched output tolerance for stable control circuit operation\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 C48A304062. Generic substitutes may deliver unsteady 24V output, causing nuisance lockouts, contactor chatter, or premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit before servicing. Tools needed: flathead and Phillips screwdrivers, wire nuts or terminal connectors, multimeter to verify 24V output after installation. Label or photograph all wiring connections before disconnecting the old transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed by 3 PM ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the \u003cstrong\u003eCarrier C48A304062\u003c\/strong\u003e packaged unit. Cross-reference OEM part numbers HT01BD236 and HT01BD702 against your unit's data plate and wiring diagram to confirm fitment before ordering. If you have questions about compatibility, our HVAC parts specialists verify fitment at no charge — contact us before you order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909750378867,"sku":"CARRIE-C48A304062-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909750411635,"sku":"CARRIE-C48A304062-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_269f0ae1-a254-4660-9ed6-3b4c2c4e8292.jpg?v=1782899338","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a304062-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}