{"product_id":"carrier-fv4anf002000abaa-transformer-h3hww2","title":"OEM Carrier Transformer 40VA 120V\/24V for FV4ANF002000ABAA","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V to 24V for Model FV4ANF002000ABAA\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part# HT01CN236) is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier FV4ANF002000ABAA\u003c\/strong\u003e air handler. The transformer steps down 120V line voltage to the 24V AC signal that powers your thermostat, control board, contactor coil, and all low-voltage switching logic. When the transformer fails — often due to a shorted control wire, miswired thermostat, or age — the entire control circuit goes dark: no thermostat response, no fan, no heat or cool. Replacing it with the correct OEM unit restores the full 24V control circuit instantly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Class 2 output | OEM part number HT01CN236 | Factory-matched for \u003cstrong\u003eFV4ANF002000ABAA\u003c\/strong\u003e air handler\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound and encapsulated to exact VA and voltage specifications. Generic units often run under-rated VA, causing thermal trips or premature burnout when control loads spike — OEM is always the safer long-term choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Always verify output voltage (should read 24–28V AC at secondary terminals) before reassembling the air handler cabinet. Check all low-voltage wiring for shorts before energizing the new transformer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed specifically for the Carrier \u003cstrong\u003eFV4ANF002000ABAA\u003c\/strong\u003e fan coil \/ air handler unit. Cross-reference OEM part number HT01CN236 against your unit's data plate and wiring diagram to confirm fitment before ordering. Not sure? Our HVAC parts specialists verify compatibility before your order ships — contact us for fast assistance.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909496885619,"sku":"CARRIE-FV4ANF002000ABAA-TRANSFORMER-HT01CN236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909496918387,"sku":"CARRIE-FV4ANF002000ABAA-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_07849593-4470-4be6-a4f9-d96f41f1ae53.jpg?v=1782941098","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fv4anf002000abaa-transformer-h3hww2","provider":"National HVAC Parts","version":"1.0","type":"link"}