{"product_id":"carrier-upflow150fauhac14-transformer-fnyqxl","title":"OEM Carrier Transformer 50VA 120\/240-24V — UPFLOW150FAUHAC14","description":"\u003ch1\u003eOEM Carrier Control Transformer 50VA 120\/208\/240V–24V for Model UPFLOW150FAUHAC14\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-specified step-down transformer (part number \u003cstrong\u003eP201-35150\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier UPFLOW150FAUHAC14\u003c\/strong\u003e upflow air handler. The transformer converts incoming line-voltage power (120, 208, or 240 VAC) down to a safe 24VAC to energize the low-voltage control circuit — powering the thermostat, control board, contactor coil, and all 24V accessories. When this transformer fails, the entire control circuit goes dark: the thermostat goes blank, the system won't respond to any call for heating or cooling, and no low-voltage fuses will hold. Replacing it is almost always the fastest and most cost-effective fix before suspecting the control board.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 50VA rating | Primary: 120\/208\/240 VAC multi-tap | Secondary: 12\/24 VAC | Single phase | 60 Hz | CSA listed | Dimensions: 3.8\"L × 3.1\"W × 2.2\"H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier\/Totaline factory part, manufactured to exact VA and voltage tolerances. Undersized or off-tolerance aftermarket transformers can overheat, trip the internal fuse, or cause erratic control board behavior — costing far more in callbacks than the price difference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off all power at the breaker before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output post-install). Label or photograph all low-voltage wiring connections before disconnecting. Verify the primary tap is matched to your supply voltage.\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\u003eUPFLOW150FAUHAC14\u003c\/strong\u003e. Also cross-references to Totaline P201-35150. Confirm your unit's supply voltage (120V or 240V) to ensure the correct primary tap is used on installation. Questions about fitment? Our HVAC parts specialists verify compatibility before you order — call or chat us today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640226894195,"sku":"CARRIE-UPFLOW150FAUHAC14-TRANSFORMER-P201-35150","price":56.7,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640226926963,"sku":"CARRIE-UPFLOW150FAUHAC14-TRANSFORMER-P201-35150-GEN","price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-P201-35150_1b334da7-cab7-431c-87e2-655466c46e8d.jpg?v=1782942944","url":"https:\/\/nationalhvacparts.com\/products\/carrier-upflow150fauhac14-transformer-fnyqxl","provider":"National HVAC Parts","version":"1.0","type":"link"}