{"product_id":"carrier-upflow180fauhac14b-transformer-h3hvc4","title":"OEM Carrier 40VA Transformer HT01CN001 for UPFLOW180FAUHAC14B","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01CN001 for Model UPFLOW180FAUHAC14B\u003c\/h1\u003e\u003cp\u003eThis OEM step-down transformer (part number \u003cstrong\u003eHT01CN001\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier UPFLOW180FAUHAC14B\u003c\/strong\u003e upflow gas furnace. The transformer steps line voltage (120V) down to 24V AC to power the low-voltage control circuit — including the thermostat, control board, gas valve, and safety switches. When the transformer fails, the entire control circuit loses power, resulting in a completely unresponsive system: no thermostat display, no inducer start, and no ignition sequence.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input: 120V AC | Output: 24V AC | Rating: 40VA | Factory-matched OEM tolerance | Plug-in or hardwire mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is the exact Carrier-engineered transformer, matched to the UPFLOW180FAUHAC14B's control board load requirements. Generic transformers can vary in VA output and insulation class, increasing the risk of nuisance tripping or premature failure under full load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter (to confirm 24V output after installation), and wire nuts or spade terminals as required. Always label wires before disconnecting.\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 Designed for the Carrier \u003cstrong\u003eUPFLOW180FAUHAC14B\u003c\/strong\u003e upflow gas furnace. Verify your existing transformer's input\/output voltage and VA rating on its data label before ordering. Have questions about fitment? Our HVAC parts specialists confirm compatibility before you buy — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640224600435,"sku":"CARRIE-UPFLOW180FAUHAC14B-TRANSFORMER-HT01CN001","price":34.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640224633203,"sku":"CARRIE-UPFLOW180FAUHAC14B-TRANSFORMER-HT01CN001-GEN","price":30.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01CN001_1f491954-a8e5-4a55-b141-d5376d4d2b7b.jpg?v=1775016651","url":"https:\/\/nationalhvacparts.com\/products\/carrier-upflow180fauhac14b-transformer-h3hvc4","provider":"National HVAC Parts","version":"1.0","type":"link"}