{"product_id":"carrier-fe4anf005l00abaa-transformer-h3hww2","title":"OEM Carrier Transformer 40VA 120V-24V for FE4ANF005L00ABAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model FE4ANF005L00ABAA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part number \u003cstrong\u003eHT01CN236\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier FE4ANF005L00ABAA\u003c\/strong\u003e fan coil 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 relay coils. When the transformer fails, the entire control circuit goes dead: your thermostat goes blank, the system refuses to respond to any calls for heating or cooling, and nothing happens at all. It is one of the most overlooked — and easiest — fixes in residential HVAC service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA output rating | 120V primary \/ 24V secondary | OEM part number HT01CN236 | Factory-matched to Carrier FE4ANF005L00ABAA wiring harness and control circuit demand\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound and rated to exact factory VA specifications, ensuring stable 24V output under full control-circuit load. Generic units often run undersized VA ratings, causing voltage sag that trips boards and contactors prematurely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify 0V before touching terminals). Photograph all wiring connections before removal. Primary wires connect to 120V supply leads; secondary wires connect to R and C on the control board.\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 and factory-specified for the Carrier \u003cstrong\u003eFE4ANF005L00ABAA\u003c\/strong\u003e fan coil air handler. Confirm your unit's data plate shows a 40VA, 120V\/24V transformer requirement before ordering. If you're unsure of fitment, our HVAC parts specialists are available to verify compatibility before your order is placed — so you get the right part the first time.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909518905715,"sku":"CARRIE-FE4ANF005L00ABAA-TRANSFORMER-HT01CN236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909518938483,"sku":"CARRIE-FE4ANF005L00ABAA-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_4f9066fa-af41-4ea1-9c3d-fcd0d23892fe.jpg?v=1782939587","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fe4anf005l00abaa-transformer-h3hww2","provider":"National HVAC Parts","version":"1.0","type":"link"}