{"product_id":"carrier-fa4anc024008agaa-transformer-h3hww2","title":"OEM Carrier Transformer 40VA 120V-24V for FA4ANC024008AGAA","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V\/24V for Model FA4ANC024008AGAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part# \u003cstrong\u003eHT01CN236\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier FA4ANC024008AGAA\u003c\/strong\u003e air handler. The transformer steps down line voltage from 120V to 24V to power the low-voltage control circuit — including the thermostat, control board, and all relay coils. When the transformer fails, the entire control circuit goes dead: the thermostat goes blank, the system won't respond to any commands, and nothing operates. A blown transformer is often caused by a short in the low-voltage wiring, so always inspect the 24V circuit before installing a replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | OEM part number HT01CN236 | Factory-matched output voltage and VA capacity for the FA4ANC024008AGAA air handler control circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances required by Carrier's control board. Undersized or off-tolerance generic units can overheat, trip the internal thermal fuse prematurely, or deliver insufficient current to properly pull in contactors and relay coils.\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 stripper, multimeter. Label or photograph all low-voltage wiring connections before removing the old transformer. Verify 24V output with a multimeter after installation before restoring full power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects in materials and workmanship. In-stock units ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as the direct OEM replacement for \u003cstrong\u003eCarrier FA4ANC024008AGAA\u003c\/strong\u003e air handlers. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit's data plate before ordering. Our fitment team is available to confirm compatibility prior to purchase — same-day shipping on all in-stock orders.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909568778611,"sku":"CARRIE-FA4ANC024008AGAA-TRANSFORMER-HT01CN236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909568811379,"sku":"CARRIE-FA4ANC024008AGAA-TRANSFORMER-HT01CN236-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-HT01CN236_4b7282ef-0a45-417c-bc20-75d643d8d2d5.jpg?v=1782939429","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fa4anc024008agaa-transformer-h3hww2","provider":"National HVAC Parts","version":"1.0","type":"link"}