{"product_id":"carrier-09de064c800-transformer-h2ut4z","title":"OEM Carrier Control Transformer 40VA 230V\/115V — 09DE064C800","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 230V\/115V for Model 09DE064C800\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement control transformer (part number \u003cstrong\u003eHT01BC208\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier 09DE064C800\u003c\/strong\u003e. The transformer steps down incoming line voltage to power the low-voltage control circuit that operates your thermostat, contactors, and all safety controls. When it fails, the entire system loses communication — the thermostat goes blank, no heating or cooling stage responds, and in many cases a blown 3-amp fuse is the first sign of trouble.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 230V primary input | 115V secondary output | Totaline\/Carrier OEM factory part | Cross-references: 320659-301, 2-05757-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit is wound to exact factory tolerances for the 09DE064C800 control circuit. Generic transformers often carry lower VA ratings or looser voltage tolerances, risking nuisance tripping or premature failure of downstream controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always disconnect power at the breaker before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm zero voltage before touching wiring). Photograph all wiring connections before removal. Transfer wires one at a time to the new unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock unit ships the same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for use in Carrier model \u003cstrong\u003e09DE064C800\u003c\/strong\u003e equipment. Always verify primary voltage, secondary voltage, and VA rating against your unit's data plate before ordering. Have a question about fitment? Our HVAC parts team will confirm compatibility before you buy — contact us today and get your system back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640124002675,"sku":"CARRIE-09DE064C800-TRANSFORMER-HT01BC208","price":53.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640124035443,"sku":"CARRIE-09DE064C800-TRANSFORMER-HT01BC208-GEN","price":47.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BC208_78e4d5af-ef1b-4b11-9fbc-6c55ccd7c665.jpg?v=1775025873","url":"https:\/\/nationalhvacparts.com\/products\/carrier-09de064c800-transformer-h2ut4z","provider":"National HVAC Parts","version":"1.0","type":"link"}