{"product_id":"carrier-upflow100hcu-12-transformer-fnyqxl","title":"OEM Carrier Transformer 50VA 120\/240-24V — UPFLOW100HCU%12","description":"\u003ch1\u003eOEM Carrier Transformer 50VA 120\/208\/240-12\/24V for Model UPFLOW100HCU%12\u003c\/h1\u003e\u003cp\u003eThe Carrier P201-35150 is the factory-specified step-down transformer for the \u003cstrong\u003eUPFLOW100HCU%12\u003c\/strong\u003e upflow air handler. It converts incoming line voltage (120, 208, or 240 VAC) down to a safe 12\/24 VAC to power the system's control board, thermostat, and all low-voltage control circuits. When this transformer fails, the entire control circuit loses power — resulting in a completely unresponsive thermostat, a dark control board, or a system that refuses to start in any mode. Replacing it with the correct OEM unit restores factory-specified voltage regulation and protects sensitive downstream electronics.\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 | 60 Hz | Single phase | CSA listed | OEM Part # P201-35150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier\/Totaline factory part, ensuring exact VA rating, impedance, and terminal layout. Generic transformers often carry ±15% VA tolerances that can under-power boards or trip internal thermal protectors prematurely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the breaker before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter to verify 24V output after installation. Label all wires before disconnecting the old transformer. Confirm primary tap matches your supply voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eUPFLOW100HCU%12\u003c\/strong\u003e upflow air handler. Verify your unit's data plate supply voltage (120V or 240V) to ensure you connect to the correct primary tap on installation. Questions about fitment? Our HVAC parts specialists confirm compatibility before you order — contact us today and get back to comfort fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640237052275,"sku":"CARRIE-UPFLOW100HCU%12-TRANSFORMER-P201-35150","price":56.7,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640237085043,"sku":"CARRIE-UPFLOW100HCU%12-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_3f8cdedd-d1c6-4091-b32e-3b65641982d7.jpg?v=1782942930","url":"https:\/\/nationalhvacparts.com\/products\/carrier-upflow100hcu-12-transformer-fnyqxl","provider":"National HVAC Parts","version":"1.0","type":"link"}