{"product_id":"carrier-upflow200u6020a-transformer-h3hvc4","title":"OEM Carrier Furnace Transformer 40VA 120\/24V for UPFLOW200U6020A","description":"\u003ch1\u003eOEM Carrier Furnace Transformer 40VA 120V to 24V — Model UPFLOW200U6020A\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part #HT01CN001) for the \u003cstrong\u003eCarrier UPFLOW200U6020A\u003c\/strong\u003e furnace. The transformer steps down 120V line voltage to a 24V\/12V secondary signal that powers your system's entire low-voltage control circuit — including the thermostat, control board, and zone valves. When this transformer fails, the most common symptoms are a completely unresponsive thermostat, a furnace that won't activate on command, or an audible buzzing or humming at the transformer itself. Without a functioning transformer, none of the system's controls can operate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 120V primary | 24V \/ 12V dual secondary output | 40VA rated | Factory-matched OEM part #HT01CN001 | Replaces legacy part numbers HT01BJ115, 19EA41612, and 19EA42612\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer — factory-wound to exact VA and voltage tolerances. Aftermarket transformers frequently run under-rated VA, causing overheating, tripped breakers, and premature control board failure. Do not risk your control board on an undersized generic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Shut off all power at the breaker and disconnect the 24V wiring harness before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Label all low-voltage wires before disconnecting. If a fuse on the control board has blown, inspect and replace it before powering up the new transformer.\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 as a direct OEM drop-in for the \u003cstrong\u003eCarrier UPFLOW200U6020A\u003c\/strong\u003e furnace. Verify your unit's data plate confirms 120V\/60Hz primary input before ordering. Questions about fitment? Our HVAC parts specialists verify compatibility before you buy — contact us today and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640224141683,"sku":"CARRIE-UPFLOW200U6020A-TRANSFORMER-HT01CN001","price":353.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640224174451,"sku":"CARRIE-UPFLOW200U6020A-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_0d8cb711-752c-4069-b06f-184b67011871.jpg?v=1775031663","url":"https:\/\/nationalhvacparts.com\/products\/carrier-upflow200u6020a-transformer-h3hvc4","provider":"National HVAC Parts","version":"1.0","type":"link"}