{"product_id":"carrier-c48a202762-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V to 24V for C48A202762 — Ships Today","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 120V–24V for Model C48A202762\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier C48A202762\u003c\/strong\u003e packaged unit. The transformer steps down 120V line voltage to 24V AC to power the low-voltage control circuit — including the thermostat, contactor coil, and control board. When this component fails, \u003cem\u003enothing works\u003c\/em\u003e: the thermostat goes dark, the system won't respond to any call for heating or cooling, and you may detect a burning smell or find a blown low-voltage fuse. Replacing the transformer is one of the most cost-effective repairs on any packaged system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA output | Primary: 120V AC | Secondary: 24V AC | Terminal-mount design | Factory-matched for Carrier C48A202762 control circuits | OEM Part Numbers: HT01BD236 \/ HT01BD702\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to exact VA and voltage tolerances required by the factory control board. Generic transformers often run outside ±5% tolerance, causing nuisance fuse-blowing, erratic thermostat behavior, and premature board failure — especially under high-demand summer loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, wire stripper, needle-nose pliers. Always verify 0V at primary terminals before touching wiring. Label or photograph all low-voltage connections prior to removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. 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 specifically for the \u003cstrong\u003eCarrier C48A202762\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers \u003cstrong\u003eHT01BD236\u003c\/strong\u003e and \u003cstrong\u003eHT01BD702\u003c\/strong\u003e. Confirm your unit's control circuit voltage (24V secondary) and VA requirement on the data plate before ordering. Our team is available to verify fitment — order with confidence and get back up and running today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909761356147,"sku":"CARRIE-C48A202762-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909761388915,"sku":"CARRIE-C48A202762-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_d4dbf539-23fd-4552-9d3a-089108320747.jpg?v=1782939116","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a202762-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}