{"product_id":"carrier-c50a202552-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V-24V for C50A202552","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V to 24V for Model C50A202552\u003c\/h1\u003e\u003cp\u003eThis OEM step-down control transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier C50A202552\u003c\/strong\u003e packaged unit. The transformer steps down line voltage (120V) to the 24V AC signal used by the thermostat, control board, contactor coil, and all low-voltage safety circuits. When it fails, the entire control circuit goes dead — your thermostat will show no response, the system won't energize, and no heating or cooling will occur. A failed transformer is often the first suspect when absolutely nothing responds at the thermostat.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120V AC | Secondary: 24V AC | OEM part number HT01BD236 | Factory-matched for Carrier C50A202552\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances required by the factory control board. Undersized or off-tolerance generic transformers can overheat, trip internal fuses, and damage downstream low-voltage components including the control board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect before starting. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or spade connectors. Verify incoming voltage and load before installing. Photograph all wiring connections prior to disconnecting the old unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship 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\u003eC50A202552\u003c\/strong\u003e commercial packaged unit. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit data plate or wiring diagram before ordering. Our parts specialists are available to confirm fitment — order with confidence and get back up and running fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909717414259,"sku":"CARRIE-C50A202552-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909717447027,"sku":"CARRIE-C50A202552-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_b196d733-e7c1-4a2c-8467-9dbb94653648.jpg?v=1782939327","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a202552-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}