{"product_id":"carrier-c50a403062-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A403062","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer for Model C50A403062\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier C50A403062\u003c\/strong\u003e packaged unit. The transformer steps down line voltage (120V) to the 24V AC signal required to power thermostats, contactors, control boards, and safety switches throughout the unit. When the transformer fails, the entire control circuit loses power — resulting in a completely unresponsive system with no heating, cooling, or fan operation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | OEM part numbers HT01BD236 and HT01BD702 | Factory-matched output tolerance for stable control voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage specifications for the \u003cstrong\u003eC50A403062\u003c\/strong\u003e control circuit. Undersized or off-tolerance generic units can cause nuisance tripping, erratic thermostat behavior, or premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect all power before servicing. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or spade connectors. Verify 24V output with a multimeter after installation before closing the unit. Always check for shorted control wiring that may have caused the original transformer failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships same business day from our warehouse in original factory packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC50A403062\u003c\/strong\u003e commercial packaged rooftop unit. Cross-references OEM part numbers HT01BD236 and HT01BD702 — both are valid replacements for this model. Confirm your existing transformer's VA rating and primary\/secondary voltages on the unit data plate before ordering. Need fitment verification? Our HVAC parts specialists confirm compatibility before your order ships.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909684089203,"sku":"CARRIE-C50A403062-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909684121971,"sku":"CARRIE-C50A403062-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_4ed078b4-f99f-40d4-ae25-21f93967676d.jpg?v=1782940512","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a403062-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}