{"product_id":"carrier-yac60140yac102at-transformer-fnyqxl","title":"OEM Carrier Transformer 50VA 120\/208\/240-24V — P201-35150","description":"\u003ch1\u003eOEM Carrier 50VA Control Transformer P201-35150 for Model YAC60140YAC102AT\u003c\/h1\u003e\u003cp\u003eThis OEM step-down transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier YAC60140YAC102AT\u003c\/strong\u003e unit, sold under OEM part number \u003cstrong\u003eP201-35150\u003c\/strong\u003e (also cross-referenced as Totaline P201-35150). The transformer converts high-voltage line power — 120, 208, or 240 VAC — down to a safe 24V AC output that powers your system's control board, thermostat, and all low-voltage control circuits. When this part fails, the entire 24V control circuit goes dead: the thermostat goes blank, the system won't respond to any call for heating or cooling, and in some cases a blown fuse or tripped breaker on the secondary side is the first clue. Replacing it with the correct OEM unit restores factory-matched performance and protects downstream components from voltage irregularities.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 50 VA rating | Primary: 120 \/ 208 \/ 240 VAC multi-tap | Secondary: 12 \/ 24 VAC | 60 Hz | Single phase | 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 The OEM P201-35150 is manufactured to Carrier's exact VA rating and insulation class. Generic transformers often carry ±10–15% VA tolerance, increasing the risk of overheating under full control-circuit load — a leading cause of repeat transformer failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Turn off power at the breaker AND disconnect panel before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm 0V before touching terminals and 24V output after). Label or photograph all wiring connections before removing the old transformer. Mount style and terminal locations match factory configuration exactly.\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\u003eYAC60140YAC102AT\u003c\/strong\u003e. Also cross-references to Totaline P201-35150 and part number HCTY156D0LS11102. Confirm your unit's data plate shows a 50VA, 120\/208\/240-12\/24V transformer requirement before ordering. Have a fitment question? Our HVAC parts specialists verify compatibility before you buy — call or chat today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640185540979,"sku":"CARRIE-YAC60140YAC102AT-TRANSFORMER-P201-35150","price":56.7,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640185573747,"sku":"CARRIE-YAC60140YAC102AT-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_ce981306-9c58-4b4c-b504-e25c161a29ef.jpg?v=1782942808","url":"https:\/\/nationalhvacparts.com\/products\/carrier-yac60140yac102at-transformer-fnyqxl","provider":"National HVAC Parts","version":"1.0","type":"link"}