{"product_id":"carrier-clink48tmfsrmdl611-transformer-h301d7","title":"OEM Carrier Transformer 40VA 120V\/24V for CLINK48TMFSRMDL611","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V to 24V for Model CLINK48TMFSRMDL611\u003c\/h1\u003e\u003cp\u003eThis OEM control circuit transformer (part number \u003cstrong\u003eHT01BD702\u003c\/strong\u003e) is the factory-specified replacement for the \u003cstrong\u003eCarrier CLINK48TMFSRMDL611\u003c\/strong\u003e packaged unit. The transformer steps down line voltage from 120V to the 24V AC signal required to power the control board, thermostat, contactor coil, and all low-voltage safety circuits. When this component fails, the entire control circuit loses power — the thermostat goes blank, nothing responds, and the system will not start regardless of demand. A blown transformer is often caused by a short elsewhere in the low-voltage wiring, so always inspect the 24V circuit for faults before installing a replacement.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Primary voltage: 120V AC | Secondary voltage: 24V AC | VA rating: 40VA | OEM part number: HT01BD702 | Factory-matched output for Carrier low-voltage control systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound and insulated to Carrier's exact factory specification, ensuring stable 24V output under full load. Generic units often use lighter gauge windings that overheat under sustained demand and may not include the same thermal overload protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker and confirm voltage is absent with a multimeter before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, wire nuts or spade connectors. Label all low-voltage wires before disconnecting. Check for shorts in the 24V circuit prior to energizing the replacement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Ships 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 for the Carrier \u003cstrong\u003eCLINK48TMFSRMDL611\u003c\/strong\u003e packaged unit. Verify your existing transformer's primary and secondary voltage ratings and VA rating on the unit data plate or the component label before ordering. If you are unsure of fitment, our HVAC parts specialists can confirm compatibility before you buy. In stock and ready to ship today — get your system back online fast.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909607412083,"sku":"CARRIE-CLINK48TMFSRMDL611-TRANSFORMER-HT01BD702","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909607444851,"sku":"CARRIE-CLINK48TMFSRMDL611-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_78786db1-8a6a-4982-b6e5-cedbcde3c19e.jpg?v=1782940792","url":"https:\/\/nationalhvacparts.com\/products\/carrier-clink48tmfsrmdl611-transformer-h301d7","provider":"National HVAC Parts","version":"1.0","type":"link"}