{"product_id":"carrier-c50a606064-transformer-h301d7","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A606064","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V to 24V for Model C50A606064\u003c\/h1\u003e\u003cp\u003eThis OEM Carrier transformer (part number \u003cstrong\u003eHT01BD702\u003c\/strong\u003e) is the factory-specified step-down transformer for the \u003cstrong\u003eCarrier C50A606064\u003c\/strong\u003e commercial rooftop unit. Its primary function is to convert 120V line voltage to the 24V low-voltage signal that powers the control circuit — including the thermostat, contactor coil, gas valve, and control board. When this transformer fails, the entire control circuit goes dark: the thermostat shows no response, the system won't call for heating or cooling, and no 24V components will operate.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Class 2 transformer | OEM part number HT01BD702 | Factory-matched output tolerance for stable control voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This is a genuine OEM Carrier transformer wound to exact factory VA and voltage specifications. Generic replacements often underperform under peak load, causing erratic thermostat behavior, nuisance lockouts, or premature contactor coil failure due to voltage sag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power to the unit before beginning. Tools needed: flathead and Phillips screwdrivers, wire stripper, multimeter. Confirm 0V at primary terminals before handling. Photograph all wiring connections prior to disconnecting the old transformer.\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 as a direct OEM replacement for the Carrier \u003cstrong\u003eC50A606064\u003c\/strong\u003e commercial packaged rooftop unit. Always verify the transformer's VA rating and primary\/secondary voltage on your unit's wiring diagram or data plate before ordering. Our fitment team is available to confirm compatibility before you buy — order with confidence.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909665182067,"sku":"CARRIE-C50A606064-TRANSFORMER-HT01BD702","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909665214835,"sku":"CARRIE-C50A606064-TRANSFORMER-HT01BD702-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-HT01BD702_be90165d-052b-4812-b724-05f5479c8fcd.jpg?v=1782940667","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a606064-transformer-h301d7","provider":"National HVAC Parts","version":"1.0","type":"link"}