{"product_id":"carrier-upflow150ua-14-transformer-fnyqxl","title":"OEM Carrier Transformer 40VA 120V–24V for UPFLOW150UA%14","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V–24V for Model UPFLOW150UA%14\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eP201-35150\u003c\/strong\u003e) is the factory-specified control-circuit transformer for the \u003cstrong\u003eCarrier UPFLOW150UA%14\u003c\/strong\u003e upflow gas furnace. Its job is to step down line voltage (120V) to the 24V AC signal that powers your thermostat, control board, gas valve, and all low-voltage safety circuits. When this transformer fails, the entire control circuit goes dark — the thermostat becomes unresponsive, the furnace won't call for heat, and no error codes are generated because the board itself has no power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V AC | Secondary: 24V AC | Factory-matched impedance and thermal cutoff — designed to exact OEM tolerances for the UPFLOW150UA%14 platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM P201-35150 transformer is wound to Carrier's exact VA rating and insulation class. Generic substitutes often underrate VA capacity, leading to overheating under multi-zone or multi-accessory loads and premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off the furnace disconnect and verify zero voltage at the transformer terminals before touching any wiring. Tools needed: flathead and Phillips screwdrivers, a multimeter (verify 24V output after install), and wire nuts or spade connectors as applicable. Photograph all wiring before disconnecting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Confirmed fit for Carrier model \u003cstrong\u003eUPFLOW150UA%14\u003c\/strong\u003e upflow gas furnace. Always verify primary voltage (120V) and VA rating on your unit's data plate before ordering. Our fitment team is available to confirm compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640226664819,"sku":"CARRIE-UPFLOW150UA%14-TRANSFORMER-P201-35150","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640226697587,"sku":"CARRIE-UPFLOW150UA%14-TRANSFORMER-P201-35150-GEN","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-P201-35150_a507a090-df9c-4f9d-b24b-655a034ee2eb.jpg?v=1775041447","url":"https:\/\/nationalhvacparts.com\/products\/carrier-upflow150ua-14-transformer-fnyqxl","provider":"National HVAC Parts","version":"1.0","type":"link"}