{"product_id":"carrier-09de084c100-transformer-h2ut4z","title":"OEM Carrier Control Transformer 40VA 230V for 09DE084C100","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 230V for Model 09DE084C100\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier control transformer (part #HT01BC208) is the factory-specified replacement for the \u003cstrong\u003eCarrier 09DE084C100\u003c\/strong\u003e. The transformer steps down line voltage to the low-voltage control circuit that powers your thermostat, contactor coil, and all 24V safety controls. When the transformer fails, the entire control circuit goes dark — no thermostat response, no contactor pull-in, and no system operation whatsoever. A failed transformer is often the first suspect when a system is completely unresponsive despite having power at the disconnect.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 230V primary input | 115V secondary output | 50\/60 Hz | 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\/Totaline OEM transformer wound to exact factory VA and voltage specifications. Generic transformers frequently underperform on VA capacity, causing nuisance trips and premature failure under high-demand control loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, wire stripper. Photograph existing wiring connections before disconnecting. Match wire leads to labeled terminals on the new transformer.\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 Direct OEM replacement for Carrier model \u003cstrong\u003e09DE084C100\u003c\/strong\u003e. Verify primary voltage and VA rating on your unit's data plate before ordering. Not sure if this is the right part? Our HVAC parts specialists confirm fitment before every order — contact us today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640121282931,"sku":"CARRIE-09DE084C100-TRANSFORMER-HT01BC208","price":53.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640121315699,"sku":"CARRIE-09DE084C100-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_7ad6aadf-d11a-4511-8489-258b414d69d1.jpg?v=1775025855","url":"https:\/\/nationalhvacparts.com\/products\/carrier-09de084c100-transformer-h2ut4z","provider":"National HVAC Parts","version":"1.0","type":"link"}