{"product_id":"carrier-09de054c600-transformer-h2ut4z","title":"OEM Carrier Transformer 40VA 230V\/115V for Model 09DE054C600","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 230V\/115V for Model 09DE054C600\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer for the \u003cstrong\u003eCarrier 09DE054C600\u003c\/strong\u003e, carrying OEM part number \u003cstrong\u003eHT01BC208\u003c\/strong\u003e. The control transformer is the backbone of your HVAC system's low-voltage circuit — it steps down the incoming line voltage to the safe 24V signal that powers your thermostat, contactor coil, control board, and all safety switches. When this transformer fails, the entire control circuit goes dark: your thermostat loses power, the system will not respond to any call for heating or cooling, and nothing works. No hum, no click, no startup — complete silence from the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 230V primary voltage | 115V secondary voltage | OEM part number HT01BC208 | Cross-references: 320659-301, 2-05757-1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer wound to exact factory VA and voltage specifications. Undersized or off-tolerance aftermarket transformers can overheat, trip the thermal fuse, and fail prematurely — or take out downstream components with them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning. Tools needed: multimeter (to confirm 0V before touching wires), flathead and Phillips screwdrivers, wire stripper, and electrical tape or wire nuts. Always label and photograph all wire connections before removal. Verify primary and secondary voltage with a meter before restoring power.\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 warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered as the factory-specified replacement for \u003cstrong\u003eCarrier model 09DE054C600\u003c\/strong\u003e. Verify the primary and secondary voltages on your unit's data plate match 230V\/115V before ordering. Not sure if this is your part? Our team confirms fitment before you buy — just reach out. Order now and get same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640128196979,"sku":"CARRIE-09DE054C600-TRANSFORMER-HT01BC208","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640128229747,"sku":"CARRIE-09DE054C600-TRANSFORMER-HT01BC208-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-HT01BC208_b45b46ed-fd99-4aa6-a9f9-5149e7863e8b.jpg?v=1782942507","url":"https:\/\/nationalhvacparts.com\/products\/carrier-09de054c600-transformer-h2ut4z","provider":"National HVAC Parts","version":"1.0","type":"link"}