{"product_id":"carrier-fv4anf005000abaa-transformer-h3hww2","title":"OEM Carrier Transformer 40VA 120V-24V for FV4ANF005000ABAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01CN236 for Model FV4ANF005000ABAA\u003c\/h1\u003e\u003cp\u003eThis is the factory OEM replacement transformer (part number \u003cstrong\u003eHT01CN236\u003c\/strong\u003e) for the \u003cstrong\u003eCarrier FV4ANF005000ABAA\u003c\/strong\u003e fan coil air handler. The transformer steps down 120V line voltage to 24V AC to power the entire low-voltage control circuit — including the thermostat, contactor coil, and control board. When this transformer fails, the entire system goes dark: the thermostat loses power, the system won't heat or cool, and no error codes can be read. It is often the first component to check when nothing responds at all.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | 120V primary \/ 24V secondary | Class 2 transformer | Direct OEM drop-in replacement for part number HT01CN236\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM HT01CN236 transformer is wound to exact VA specifications for the FV4ANF005000ABAA control board's load requirements. Undersized or off-tolerance generic transformers can overheat, blow fuses, or damage downstream control boards — making OEM the only safe choice for this application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before starting. Tools needed: flathead and Phillips screwdriver, multimeter, wire nuts or spade connectors. Confirm 24V output with a multimeter after installation before restoring full system power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. 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 specifically for the Carrier \u003cstrong\u003eFV4ANF005000ABAA\u003c\/strong\u003e fan coil air handler. Always verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate or old component label before ordering. Our HVAC parts specialists are available to confirm fitment — reach out before you order if you have any questions. \u003cstrong\u003eOrder now and ship today.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909495705971,"sku":"CARRIE-FV4ANF005000ABAA-TRANSFORMER-HT01CN236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909495738739,"sku":"CARRIE-FV4ANF005000ABAA-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_a0d7ed90-4024-448d-84fd-2362073107a6.jpg?v=1782939624","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fv4anf005000abaa-transformer-h3hww2","provider":"National HVAC Parts","version":"1.0","type":"link"}