{"product_id":"carrier-c50a302552-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A302552","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V\/24V for Model C50A302552\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) is the factory-specified step-down transformer for the \u003cstrong\u003eCarrier C50A302552\u003c\/strong\u003e packaged unit. The transformer converts 120V line voltage down to 24V to power the entire control circuit — including the thermostat, contactor coil, control board, and safety switches. When this component fails, the result is a completely unresponsive system: the thermostat goes dark, nothing energizes, and the unit will not start under any call for heating or cooling. It is one of the first components to check when troubleshooting a total control-circuit failure.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Factory-matched OEM design | Part number HT01BD236 | Replaces original factory transformer\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 transformers can overheat, trip their internal breaker repeatedly, or fail to sustain voltage under full control-circuit load — shortening the life of your control board.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the disconnect box before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter, needle-nose pliers. Label or photograph all wire connections before removing the old transformer. Confirm 24V output with a multimeter after installation before restoring full system power.\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 when ordered before cutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the \u003cstrong\u003eCarrier C50A302552\u003c\/strong\u003e commercial packaged unit. Always 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 — reach out before you order if you have any questions. \u003cstrong\u003eOrder now and get same-day shipping on this in-stock OEM part.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909705683315,"sku":"CARRIE-C50A302552-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909705716083,"sku":"CARRIE-C50A302552-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_6c4ac880-1312-41c1-97b6-b35668020490.jpg?v=1782940415","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a302552-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}