{"product_id":"carrier-p1012000-transformer-h2ut4z","title":"OEM Carrier Transformer 40VA 120V\/24V for P1012000 — HT01BC208","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01BC208 for Model P1012000\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part number \u003cstrong\u003eHT01BC208\u003c\/strong\u003e) is the factory-specified replacement for \u003cstrong\u003eCarrier P1012000\u003c\/strong\u003e HVAC systems. The transformer steps down line voltage from 120V to the 24V signal required by your thermostat, control board, contactor coil, and all low-voltage control circuits. When the transformer fails, the entire control circuit loses power — the thermostat goes dark, the system won't respond to any call for heating or cooling, and nothing runs. It is often the first component to inspect when a system appears completely unresponsive despite having line voltage at the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Class 2 output | Factory-matched OEM replacement for part number HT01BC208\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer meets Carrier's exact VA rating and insulation class specifications. Undersized or off-tolerance generic transformers can overheat under normal control circuit loads, tripping internal thermal cutoffs and causing intermittent lockouts — OEM is always the safer choice for the control circuit backbone.\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, wire stripper, multimeter. Label all low-voltage wiring before disconnecting. Verify 24V output with a multimeter after installation before restoring thermostat wiring.\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 Designed for \u003cstrong\u003eCarrier P1012000\u003c\/strong\u003e HVAC equipment using the HT01BC208 control transformer. Always verify your unit's data plate and existing transformer VA rating before ordering to ensure proper fit. Have questions about fitment? Our parts specialists confirm compatibility before you order — reach out before checkout.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909254402419,"sku":"CARRIE-P1012000-TRANSFORMER-HT01BC208","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909254435187,"sku":"CARRIE-P1012000-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_26d01d08-79a9-4fb9-8461-b3fca1064db0.jpg?v=1782941810","url":"https:\/\/nationalhvacparts.com\/products\/carrier-p1012000-transformer-h2ut4z","provider":"National HVAC Parts","version":"1.0","type":"link"}