{"product_id":"carrier-c50a206064-transformer-h301d7","title":"OEM Carrier Transformer 40VA 120V\/24V for C50A206064","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V\/24V for Model C50A206064\u003c\/h1\u003e\u003cp\u003eThis OEM step-down transformer (part number \u003cstrong\u003eHT01BD702\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier C50A206064\u003c\/strong\u003e commercial packaged unit. The transformer converts 120V line voltage to the 24V AC signal that powers your entire control circuit — including the thermostat, contactor coil, gas valve, and control board. When the transformer fails, nothing in the low-voltage control system responds: the thermostat goes blank, the system won't heat or cool, and you may find a blown 3A fuse on the control board.\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 HT01BD702 | Factory-matched output voltage and VA capacity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM transformers are wound to exact VA and voltage tolerances for the C50A206064's control circuit load. Undersized or off-tolerance generic transformers overheat, trip thermal protection, and can damage downstream boards and valves.\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, needle-nose pliers, multimeter. Always verify 0V at primary leads before handling. Label all wire connections prior to removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty against defects. Ships same business day from our stocked warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the Carrier \u003cstrong\u003eC50A206064\u003c\/strong\u003e commercial rooftop\/packaged unit. Verify your existing transformer's VA rating and primary\/secondary voltages on the unit's data plate or wiring diagram before ordering. If your control board fuse blows repeatedly, diagnose the load circuit before replacing the transformer. Our HVAC parts specialists are available to confirm fitment — order with confidence and get it shipped today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909705585011,"sku":"CARRIE-C50A206064-TRANSFORMER-HT01BD702","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909705617779,"sku":"CARRIE-C50A206064-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_3255f1bd-4706-409b-9938-b045d30c5e56.jpg?v=1782940397","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c50a206064-transformer-h301d7","provider":"National HVAC Parts","version":"1.0","type":"link"}