{"product_id":"carrier-c48a302062-transformer-h302a1","title":"OEM Carrier 40VA 120V to 24V Control Transformer for C48A302062 — Ships Today","description":"\u003ch1\u003eOEM Carrier Control Circuit Transformer 40VA for Model C48A302062\u003c\/h1\u003e\u003cp\u003eThis OEM step-down transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier C48A302062\u003c\/strong\u003e packaged unit. It converts 120V line voltage to the 24V AC signal that powers your thermostat, contactor coil, gas valve, and all low-voltage control circuits. When the transformer fails — whether from a short, voltage spike, or age — absolutely nothing in the control system responds: no heat, no cooling, no fan, and no thermostat display. Replacing it is one of the fastest repairs in HVAC service. OEM part numbers \u003cstrong\u003eHT01BD236\u003c\/strong\u003e and \u003cstrong\u003eHT01BD702\u003c\/strong\u003e are both covered by this listing and are direct factory replacements for this application.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | Screw or quick-connect terminals | Factory-matched impedance for stable 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 impedance specifications, preventing nuisance tripping of the secondary fuse and ensuring reliable coil pull-in voltage. Generic units often run undersized VA, causing overheating and premature failure under heavy control loads.\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 screwdriver, multimeter (verify 24V output after install), wire stripper. Label all wires before removal. Total job time typically under 20 minutes.\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 climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC48A302062\u003c\/strong\u003e packaged unit. Cross-references OEM part numbers HT01BD236 and HT01BD702. Always verify primary voltage on your unit's data plate before ordering — some configurations may use 208\/240V primary transformers. If uncertain, our team will verify fitment before you order. Order today and get back to comfort fast with same-day shipping.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909755097459,"sku":"CARRIE-C48A302062-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909755130227,"sku":"CARRIE-C48A302062-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_e3ef669b-3373-485e-b819-27c9635a7c1c.jpg?v=1782899312","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a302062-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}