{"product_id":"carrier-pf1mnc030008aaaa-transformer-h3hwwy","title":"OEM Carrier 40VA Transformer 208\/230V–24V for PF1MNC030008AAAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 208\/230V–24V for Model PF1MNC030008AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier transformer (part number \u003cstrong\u003eHT01CN241\u003c\/strong\u003e) is the factory-specified 24V control circuit transformer for the \u003cstrong\u003eCarrier PF1MNC030008AAAA\u003c\/strong\u003e fan coil unit. The transformer steps down the 208\/230V line voltage to the 24V AC signal that powers your thermostat, control board, and all low-voltage switching components. When this transformer fails, the entire control circuit goes dead — the thermostat goes blank, the system won't respond to any calls for heating or cooling, and no fault codes appear because the board itself has lost power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 208\/230V Primary | 24V Secondary | 40VA Capacity | 50\/60 Hz | Class 2 control transformer | Factory-matched Carrier OEM specification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier Factory Authorized Part built to exact OEM tolerances. Generic transformers are often rated at marginal VA capacity, which can cause voltage sag under full control-circuit load, leading to erratic system behavior and premature board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Photograph all wiring before disconnecting. Verify 24V output with a multimeter before powering the system back on.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship the same business day when ordered by 5 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered for the Carrier \u003cstrong\u003ePF1MNC030008AAAA\u003c\/strong\u003e fan coil unit. Also cross-references with ICP, Heil, Tempstar, and Comfortmaker systems using the HT01CN241 specification. Always verify your existing transformer's primary voltage, secondary voltage, and VA rating against your unit's data plate before ordering. Have questions about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643338772851,"sku":"CARRIE-PF1MNC030008AAAA-TRANSFORMER-HT01CN241","price":108.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643338805619,"sku":"CARRIE-PF1MNC030008AAAA-TRANSFORMER-HT01CN241-GEN","price":95.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01CN241_7787cdef-edb7-4464-95af-0bdcae368f75.jpg?v=1775016400","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pf1mnc030008aaaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}