{"product_id":"carrier-fx4bnb060000aaaa-transformer-h3hwwy","title":"OEM Carrier Transformer 40VA 120V-24V for FX4BNB060000AAAA","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V to 24V for Model FX4BNB060000AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eHT01CN241\u003c\/strong\u003e) is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier FX4BNB060000AAAA\u003c\/strong\u003e air handler. Its job is to step down line voltage (120V) to the 24V signal voltage that powers your thermostat, control board, and all low-voltage switching circuits. When this transformer fails — due to a shorted wire, a blown fuse downstream, or simply age — the entire control circuit goes dead: the thermostat goes blank, the system won't respond to any call for heating or cooling, and nothing works. Replacing this transformer is often the fastest and most affordable fix before condemning an expensive control board.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Primary 120VAC | Secondary 24VAC | 40VA rating | OEM part number HT01CN241 | Factory-matched output for Carrier FX4BNB060000AAAA air handler control circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier transformer built to exact VA and voltage tolerances. Generic transformers can under-deliver VA capacity, causing nuisance tripping, control board brownouts, and premature failure of downstream components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire nuts or spade connectors, multimeter to confirm 24V output after installation. Label all wires before disconnecting. Straightforward swap for any intermediate DIYer or HVAC tech.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. 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 specifically for the Carrier \u003cstrong\u003eFX4BNB060000AAAA\u003c\/strong\u003e 5-ton air handler. Always verify your existing transformer's primary\/secondary voltage and VA rating against your unit's data plate before ordering. Our team is available to confirm fitment — don't guess on a control circuit component. Order today and receive same-day shipping on all in-stock parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909488202099,"sku":"CARRIE-FX4BNB060000AAAA-TRANSFORMER-HT01CN241","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909488234867,"sku":"CARRIE-FX4BNB060000AAAA-TRANSFORMER-HT01CN241-GEN","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-control-HT01CN241_c48acaa7-1bde-4328-a85d-0674d5f6f954.jpg?v=1782939645","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fx4bnb060000aaaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}