{"product_id":"carrier-c50a406051-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V-24V for C50A406051","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V–24V for Model C50A406051\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier C50A406051\u003c\/strong\u003e commercial packaged unit. The transformer steps down 120V line voltage to the 24V signal required to power the thermostat, control board, contactor coil, and all low-voltage control functions. When this component fails, the entire control circuit goes dark — the thermostat shows no power, the system refuses to respond to any call for heating or cooling, and nothing works despite line voltage being present at the unit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary input | 24V secondary output | OEM part number HT01BD236 | Factory-matched terminals for direct drop-in replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances specified by Carrier engineering. Undersized or off-tolerance generic units can fail prematurely under full control-circuit load, especially in multi-stage systems with multiple 24V devices active simultaneously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and verify zero voltage with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or terminal connectors. Label all low-voltage wires before removal. Typical job time: 20–30 minutes.\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 for the Carrier \u003cstrong\u003eC50A406051\u003c\/strong\u003e commercial rooftop\/packaged unit. Always confirm the 40VA rating and primary\/secondary voltages on your existing transformer's label before ordering to ensure a match. Our parts specialists are available to verify fitment before you buy — order with confidence and get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909678387571,"sku":"CARRIE-C50A406051-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909678420339,"sku":"CARRIE-C50A406051-TRANSFORMER-HT01BD236-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-HT01BD236_82a0116f-aa3d-4ff1-a5b4-35c1843af6ce.jpg?v=1782939379","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a406051-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}