{"product_id":"carrier-upflow200fau14b-transformer-h3hvc4","title":"OEM Carrier Furnace Transformer 40VA 120V\/24V for UPFLOW200FAU14B","description":"\u003ch1\u003eOEM Carrier Furnace Transformer 40VA 120V to 24V — Model UPFLOW200FAU14B\u003c\/h1\u003e\u003cp\u003eThe \u003cstrong\u003eCarrier HT01CN001\u003c\/strong\u003e is the factory-specified OEM control transformer for the \u003cstrong\u003eCarrier UPFLOW200FAU14B\u003c\/strong\u003e upflow gas furnace. This transformer steps down 120V line voltage to a 12\/24V secondary output at 40VA, powering the low-voltage control circuit that operates the thermostat, gas valve, inducer relay, and all other 24V control components. When this transformer fails — typically due to an electrical surge, short circuit in the control wiring, or normal wear — the entire control circuit goes dead. Symptoms include a completely unresponsive thermostat, a furnace that won't activate on command, or a burning smell accompanied by buzzing near the transformer itself. Replacing it promptly with the correct OEM unit restores full system operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA capacity | 120V primary | 12V \u0026amp; 24V secondary | Factory part number HT01CN001 | Replaces legacy part numbers HT01BJ115, 19EA41612, 19EA42612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier factory-authorized replacement transformer. OEM units are wound to exact VA and voltage tolerances for the UPFLOW200FAU14B control board. Aftermarket transformers with loose tolerances can under-deliver current, causing nuisance lockouts or premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off power at the breaker before beginning. Tools needed: flathead \u0026amp; Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Label all low-voltage wires before disconnecting. Verify secondary output with a meter before closing the panel.\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 the Carrier \u003cstrong\u003eUPFLOW200FAU14B\u003c\/strong\u003e upflow gas furnace. Verify your unit's data plate confirms 120V\/60Hz input and a 24V control circuit before ordering. Need help confirming fitment? Our HVAC parts specialists verify compatibility before you buy — contact us anytime.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640223912307,"sku":"CARRIE-UPFLOW200FAU14B-TRANSFORMER-HT01CN001","price":353.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640223945075,"sku":"CARRIE-UPFLOW200FAU14B-TRANSFORMER-HT01CN001-GEN","price":311.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01CN001_1c19d3b0-a776-4fc1-bdb1-236b1467891d.jpg?v=1775031830","url":"https:\/\/nationalhvacparts.com\/products\/carrier-upflow200fau14b-transformer-h3hvc4","provider":"National HVAC Parts","version":"1.0","type":"link"}