{"product_id":"carrier-fx4dnb061t00abaa-transformer-h3hwwy","title":"OEM Carrier Transformer 40VA 24V for FX4DNB061T00ABAA — HT01CN241","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01CN241 for Model FX4DNB061T00ABAA\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 FX4DNB061T00ABAA\u003c\/strong\u003e air handler. Its job is to step down 120V line voltage to the 24V AC signal that powers your thermostat, control board, and all low-voltage switching components. When it fails — often due to a shorted control wire, a tripped internal fuse, or overloading — the entire low-voltage control circuit goes dead. Symptoms include a completely unresponsive thermostat, a blank display, and a system that won't call for heating or cooling at all despite power being present at the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | OEM part number HT01CN241 | Factory-matched output voltage tolerance for reliable low-voltage control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound and rated to Carrier's exact VA specification. Undersized or off-tolerance generic transformers can overheat under full load, tripping repeatedly or failing early — especially when multiple zone valves or accessories share the same 24V circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter (to verify 24V output after install). Label all low-voltage wires before disconnecting. Confirm the cause of failure (e.g., shorted thermostat wire) before energizing 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 Engineered as a direct OEM replacement for the Carrier \u003cstrong\u003eFX4DNB061T00ABAA\u003c\/strong\u003e air handler. Always verify your existing transformer's VA rating and primary\/secondary voltages against your unit's data plate before ordering. Our parts specialists are available to confirm fitment — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909479551347,"sku":"CARRIE-FX4DNB061T00ABAA-TRANSFORMER-HT01CN241","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909479584115,"sku":"CARRIE-FX4DNB061T00ABAA-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_c02a8666-7e99-45f6-8656-e96124e3feba.jpg?v=1782942564","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fx4dnb061t00abaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}