{"product_id":"carrier-fe4anf005000aaaa-transformer-h3hww2","title":"OEM Carrier Transformer 40VA 120V\/24V for FE4ANF005000AAAA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01CN236 for Model FE4ANF005000AAAA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part number \u003cstrong\u003eHT01CN236\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier FE4ANF005000AAAA\u003c\/strong\u003e fan coil air handler. The transformer steps line voltage (120V) down to the 24V signal voltage required to power your thermostat, control board, and all low-voltage switching circuits. When this component fails, the entire control circuit goes dead — the thermostat goes blank, the system will not respond to any calls for heating or cooling, and nothing works despite power being present at the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rated | Primary: 120V | Secondary: 24V | OEM part number HT01CN236 | Factory-matched output tolerance for stable low-voltage control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage specifications for the FE4ANF005000AAAA control circuit. Undersized or off-tolerance aftermarket units can drop voltage under load, causing erratic thermostat behavior, nuisance lockouts, or premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the air handler before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or push-in connectors. Photograph all existing wiring connections before disconnecting. Confirm primary and secondary terminals before energizing.\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 for the Carrier \u003cstrong\u003eFE4ANF005000AAAA\u003c\/strong\u003e fan coil air handler. Verify your existing transformer's VA rating and input\/output voltages on the data plate or wiring diagram inside the unit before ordering. Our parts specialists are available to confirm fitment — reach out before you buy if you have any questions. Order today and receive same-day shipping on all in-stock OEM parts.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909518971251,"sku":"CARRIE-FE4ANF005000AAAA-TRANSFORMER-HT01CN236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909519004019,"sku":"CARRIE-FE4ANF005000AAAA-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_26857605-ab41-4d27-9ace-1922555cc78e.jpg?v=1782940987","url":"https:\/\/nationalhvacparts.com\/products\/carrier-fe4anf005000aaaa-transformer-h3hww2","provider":"National HVAC Parts","version":"1.0","type":"link"}