{"product_id":"carrier-c50a206052-transformer-h302a1","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A206052","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01BD236 for Model C50A206052\u003c\/h1\u003e\u003cp\u003eThis OEM step-down transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier C50A206052\u003c\/strong\u003e packaged unit. The transformer converts 120V line voltage to 24V AC to power the entire low-voltage control circuit — including the thermostat, contactor coil, gas valve, and control board. When this transformer fails, absolutely nothing responds: the thermostat goes blank, the system won't call for heating or cooling, and you may find a blown 3A control fuse as a secondary symptom.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Class 2 transformer | Factory-matched output for stable control voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM HT01BD236 is wound to Carrier's exact VA and voltage tolerances, ensuring stable 24V output under full control circuit load. Undersized generic transformers can sag voltage during thermostat calls, causing erratic lockouts and nuisance faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit before servicing. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Confirm output voltage after installation before closing the control panel. Always label or photograph wiring before disconnecting.\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 Designed for Carrier model \u003cstrong\u003eC50A206052\u003c\/strong\u003e commercial rooftop\/packaged units. Verify primary voltage (120V) and VA rating on your existing transformer's label before ordering to confirm fitment. Our parts team is available to verify compatibility before you purchase — order with confidence.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909709189491,"sku":"CARRIE-C50A206052-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909709222259,"sku":"CARRIE-C50A206052-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_56f51d47-c8b6-49a4-8785-758b492bed4c.jpg?v=1782940390","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a206052-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}