{"product_id":"carrier-fx4dnf061t10aaaa-transformer-h3hwwy","title":"OEM Carrier Transformer 40VA 120V-24V for FX4DNF061T10AAAA","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V to 24V for Model FX4DNF061T10AAAA\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 FX4DNF061T10AAAA\u003c\/strong\u003e fan coil unit. The transformer steps down line voltage from 120V to the 24V AC required to power the control board, thermostat circuit, and all low-voltage components. When this transformer fails, the entire control circuit goes dead — the thermostat will display normally but the system will not respond to any calls for heating or cooling, and no relays or contactors will energize.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Primary voltage: 120V AC | Secondary voltage: 24V AC | 40VA rated | OEM part number HT01CN241 | Factory-matched output for full control circuit compatibility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM Carrier transformer is wound to exact factory VA and voltage specifications, ensuring stable 24V output under full load. Generic transformers often run outside rated tolerances, causing nuisance lockouts, erratic thermostat behavior, and premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and confirm voltage is zero with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, needle-nose pliers, wire nuts or spade connectors. Photograph all wiring connections before removing the old transformer.\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 climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eFX4DNF061T10AAAA\u003c\/strong\u003e fan coil unit. Verify primary and secondary voltage ratings on your unit's data plate prior to ordering to confirm fitment. Our HVAC parts specialists are available to verify compatibility before you purchase — no guesswork required.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909470671219,"sku":"CARRIE-FX4DNF061T10AAAA-TRANSFORMER-HT01CN241","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909470703987,"sku":"CARRIE-FX4DNF061T10AAAA-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_8cb48486-1b40-4791-9fbc-88bdf30cb42f.jpg?v=1782939704","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fx4dnf061t10aaaa-transformer-h3hwwy","provider":"National HVAC Parts","version":"1.0","type":"link"}