{"product_id":"carrier-fx4anf036000acaa-transformer-h3hww2","title":"OEM Carrier Transformer 40VA 120V-24V for FX4ANF036000ACAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01CN236 for Model FX4ANF036000ACAA\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eHT01CN236\u003c\/strong\u003e) is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier FX4ANF036000ACAA\u003c\/strong\u003e fan coil air handler. The transformer steps down 120V line voltage to 24V AC to power the control board, thermostat, and all low-voltage switching circuits. When it fails, the entire control circuit goes dead — the thermostat goes blank, the system won't respond to any calls for heating or cooling, and the unit sits completely unresponsive 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 HT01CN236 | Factory-matched output voltage and VA capacity for full control circuit protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA specifications, protecting downstream control boards from voltage fluctuations. Generic transformers with undersized VA ratings can overheat and fail prematurely, or cause erratic thermostat behavior and nuisance lockouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after installation). 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. 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 as the direct OEM drop-in replacement for the \u003cstrong\u003eCarrier FX4ANF036000ACAA\u003c\/strong\u003e fan coil air handler. Verify the OEM part number HT01CN236 on your existing transformer's label before ordering. Our parts specialists are available to confirm fitment prior to purchase — same-day shipping available on all in-stock orders placed before 3PM local time.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909488791923,"sku":"CARRIE-FX4ANF036000ACAA-TRANSFORMER-HT01CN236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909488824691,"sku":"CARRIE-FX4ANF036000ACAA-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_d94a8c3b-5c35-4d16-9c35-c26eb798d2e1.jpg?v=1782939640","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fx4anf036000acaa-transformer-h3hww2","provider":"National HVAC Parts","version":"1.0","type":"link"}