{"product_id":"carrier-yac36100yac105-transformer-fnyqxl","title":"OEM Carrier Transformer 50VA 120\/208\/240-12\/24V — P201-35150","description":"\u003ch1\u003eOEM Carrier Control Transformer 50VA 120\/208\/240-12\/24V for Model YAC36100YAC105 (P201-35150)\u003c\/h1\u003e\u003cp\u003eThis is the genuine OEM factory-replacement control transformer for the \u003cstrong\u003eCarrier YAC36100YAC105\u003c\/strong\u003e, sold under part number \u003cstrong\u003eP201-35150\u003c\/strong\u003e (also sourced as a Totaline factory authorized part). The transformer steps down high-voltage line power (120, 208, or 240 VAC) to safe low-voltage output (12\/24 VAC) that powers your system's control board, thermostat circuit, and all low-voltage switching components. At 50VA, it provides ample capacity for multi-stage systems with accessories. When a transformer fails, the result is typically complete loss of low-voltage control — the thermostat goes dark, the system won't respond to any call for heating or cooling, and no fault codes appear because the control board itself has no power.\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 This OEM unit is built to Carrier's exact VA rating, insulation class, and multi-tap wiring configuration. Generic transformers often ship at reduced VA capacity, which causes premature thermal cutout failure when accessories (humidifiers, UV lights, zoning boards) are on the same circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Requires shutting off both the disconnect and the main breaker before any work. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter (verify 0V before touching terminals). Photograph all wire connections and note primary tap selection before removal. Incorrect tap selection will damage downstream controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In stock — ships same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Factory-specified replacement transformer for Carrier model \u003cstrong\u003eYAC36100YAC105\u003c\/strong\u003e. Verify your unit's line voltage (120V, 208V, or 240V) to select the correct primary tap on installation. Cross-reference part numbers: P201-35150, HCTY156D0LS11102 (Totaline). Questions about fitment? Our HVAC-trained team confirms compatibility before you order — call or chat today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640207331699,"sku":"CARRIE-YAC36100YAC105-TRANSFORMER-P201-35150","price":56.7,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640207364467,"sku":"CARRIE-YAC36100YAC105-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_1755bcc7-a565-40cf-b709-4a992aec2e50.jpg?v=1782942796","url":"https:\/\/nationalhvacparts.com\/products\/carrier-yac36100yac105-transformer-fnyqxl","provider":"National HVAC Parts","version":"1.0","type":"link"}