{"product_id":"carrier-subclr50hj402498-transformer-h30291","title":"OEM Carrier Transformer 40VA 208\/230V–24V for SUBCLR50HJ402498","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/230V to 24V — Part HT01BD209 for Model SUBCLR50HJ402498\u003c\/h1\u003e\u003cp\u003eThis genuine OEM Carrier control transformer (part number \u003cstrong\u003eHT01BD209\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier SUBCLR50HJ402498\u003c\/strong\u003e. The transformer steps down 208\/230V line voltage to the 24V low-voltage signal required to power thermostats, control boards, contactors, and all other low-voltage components. When this transformer fails, the entire control circuit goes dark — thermostats become unresponsive, the system will not heat or cool, and no fault codes will display because the board itself has lost power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA output | Primary voltage: 208\/230V | Secondary voltage: 24V | 50\/60 Hz | Weight: 1.0 lb | OEM part number: HT01BD209\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine Carrier OEM transformer engineered to exact VA and voltage tolerances. Generic substitutes often run under-rated VA loads, causing overheating, nuisance tripping of the secondary fuse, and premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Always shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify 0V before touching wires). Label or photograph all wiring before disconnecting. This part replaces legacy Carrier part numbers HT01BD207 and HT01CN232.\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 Engineered for Carrier model \u003cstrong\u003eSUBCLR50HJ402498\u003c\/strong\u003e. Always verify your unit's data plate voltage requirements match 208\/230V primary input before ordering. Our fitment team is available to confirm compatibility prior to purchase — don't guess on a transformer.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640290922867,"sku":"CARRIE-SUBCLR50HJ402498-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640290955635,"sku":"CARRIE-SUBCLR50HJ402498-TRANSFORMER-HT01BD209-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-HT01BD209_a60c2ac4-224f-4122-ab4d-fd59bc35f648.jpg?v=1782942220","url":"https:\/\/nationalhvacparts.com\/products\/carrier-subclr50hj402498-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}