{"product_id":"carrier-fx4dnf061l10abaa-transformer-h3hwwy","title":"OEM Carrier Transformer 40VA 120V\/24V for FX4DNF061L10ABAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model FX4DNF061L10ABAA Air Handler\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-replacement control transformer (part# \u003cstrong\u003eHT01CN241\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier FX4DNF061L10ABAA\u003c\/strong\u003e fan coil air handler. The transformer steps down 120V line voltage to 24V AC to power the low-voltage control circuit — including the thermostat, contactor coil, and control board. When this transformer fails, the entire control circuit goes dead: your thermostat loses power, the system will not respond to any calls for heating or cooling, and nothing runs. It is one of the first components to check when the system is completely unresponsive despite line voltage being present at the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01CN241 | Factory-matched for Carrier FX4DNF061L10ABAA air handler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to exact VA and voltage tolerances required by Carrier. Undersized or off-tolerance generic transformers can sag under load, causing intermittent control issues, nuisance lockouts, and premature failure of downstream components like the contactor coil or control board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to confirm 24V output after installation). Photograph all low-voltage wiring connections before disconnecting the old unit. The transformer mounts inside the air handler cabinet and connects to both the line-voltage and low-voltage wiring harnesses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Orders placed before cutoff ship same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eFX4DNF061L10ABAA\u003c\/strong\u003e multi-position fan coil air handler. Always verify your unit's data plate voltage requirements match before ordering. Need fitment confirmation? Our HVAC parts specialists are available to verify compatibility before you purchase — same-day shipping available on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909471326579,"sku":"CARRIE-FX4DNF061L10ABAA-TRANSFORMER-HT01CN241","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909471359347,"sku":"CARRIE-FX4DNF061L10ABAA-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_c20213d4-82fa-4acf-a176-162c5dd23738.jpg?v=1782941249","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fx4dnf061l10abaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}