{"product_id":"carrier-subclr50hj402457-transformer-h30291","title":"OEM Carrier Transformer 40VA 208\/230V–24V for SUBCLR50HJ402457","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 208\/230V to 24V — HT01BD209 for Model SUBCLR50HJ402457\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 SUBCLR50HJ402457\u003c\/strong\u003e HVAC system. The transformer steps down the unit's primary 208\/230V supply voltage to the 24V signal required by the thermostat, control board, contactor coil, and all other low-voltage components. When this part fails, the entire control circuit goes dark — symptoms include a completely unresponsive thermostat, a system that won't energize at all, or a tripped low-voltage fuse caused by a shorted secondary winding.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 208\/230V Primary | 24V Secondary | 40VA Rated | 50\/60Hz | Class 2 control transformer — exact OEM factory specification for SUBCLR50HJ402457\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances. Under-rated generic transformers overheat, blow fuses, and can damage sensitive control boards. This is the same part Carrier installed at the factory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect and breaker before starting. Tools needed: flathead and Phillips screwdrivers, multimeter, wire stripper. Label or photograph all wiring connections before disconnecting. The transformer typically mounts in the air handler or furnace cabinet with two screws. Reconnect primary (line voltage) and secondary (24V) wires per the original wiring diagram.\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 to fit Carrier model \u003cstrong\u003eSUBCLR50HJ402457\u003c\/strong\u003e. Also replaces superseded Carrier part numbers HT01BD207, HT01CN232, and 9076-00. Confirm your unit's model number and voltage requirements on the data plate before ordering. Our parts specialists are available to verify fitment — order with confidence and get your system back online today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62640291578227,"sku":"CARRIE-SUBCLR50HJ402457-TRANSFORMER-HT01BD209","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62640291610995,"sku":"CARRIE-SUBCLR50HJ402457-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_bb5098e2-3e05-484b-872f-08d081a221b0.jpg?v=1782942217","url":"https:\/\/nationalhvacparts.com\/products\/carrier-subclr50hj402457-transformer-h30291","provider":"National HVAC Parts","version":"1.0","type":"link"}