{"product_id":"carrier-c48a404061-transformer-h302a1","title":"OEM Carrier 40VA 120V to 24V Transformer for C48A404061 — Ships Today","description":"\u003ch1\u003eOEM Carrier Control Transformer 40VA 120V\/24V for Model C48A404061\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eHT01BD236\u003c\/strong\u003e) is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier C48A404061\u003c\/strong\u003e packaged unit. The transformer steps down 120V line voltage to 24V AC to power the entire control circuit — including the thermostat, contactor coil, and control board. When this component fails, the system will appear completely unresponsive: the thermostat goes blank, no contactor pull-in occurs, and nothing runs. It is often the first component to check when a unit shows zero control-circuit activity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e Input 120V AC | Output 24V AC | 40VA rating | OEM part number HT01BD236 | Class 2 transformer | Factory-matched for Carrier packaged equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM Carrier transformer meets factory VA rating tolerances, ensuring stable 24V output under full control-circuit load. Undersized or off-tolerance generic transformers can sag under load, causing nuisance lockouts, erratic thermostat behavior, and premature contactor coil 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, needle-nose pliers. Verify 24V output at secondary terminals before reassembly. Photograph all wiring connections prior to removal.\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 the Carrier \u003cstrong\u003eC48A404061\u003c\/strong\u003e packaged unit. Confirm your existing transformer's input\/output voltage and VA rating on the unit's data plate or wiring diagram before ordering. Our team is available to verify fitment — order with confidence.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909739827571,"sku":"CARRIE-C48A404061-TRANSFORMER-HT01BD236","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909739860339,"sku":"CARRIE-C48A404061-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_bf5fdeb4-c3d6-4b86-9de2-d5b1f42f5ea3.jpg?v=1782899449","url":"https:\/\/nationalhvacparts.com\/products\/carrier-c48a404061-transformer-h302a1","provider":"National HVAC Parts","version":"1.0","type":"link"}