{"product_id":"carrier-n6a48ng481465-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V\/24V for N6A48NG481465","description":"\u003ch1\u003eOEM Carrier Transformer 40VA 120V to 24V for Model N6A48NG481465\u003c\/h1\u003e\u003cp\u003eThis OEM replacement transformer (part number \u003cstrong\u003eHT01BC116\u003c\/strong\u003e) is the factory-specified control circuit transformer for the \u003cstrong\u003eCarrier N6A48NG481465\u003c\/strong\u003e packaged unit. The transformer steps line voltage (120V) down to the 24V signal voltage that powers your thermostat, contactor coil, gas valve, and control board. When this component fails, the entire control circuit goes dark — the thermostat loses power, no calls for heat or cool are processed, and the system appears completely dead. If you have 120V at the transformer primary but zero volts at the secondary, this part is your fix.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | Class 2 transformer | Direct OEM replacement for part number HT01BC116 | Factory-matched output tolerance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e The OEM HT01BC116 transformer is wound and rated to Carrier's exact VA and voltage specs, ensuring stable 24V output under full control circuit load. Generic transformers often run undersized VA ratings, causing voltage sag that triggers nuisance lockouts on modern control boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the disconnect and breaker before beginning. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or terminal connectors. Label all wiring connections before disconnecting the old unit. Verify 24V output at secondary terminals after installation before restoring full system power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. Orders placed before cutoff ship same business day from our warehouse stock.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed as a direct OEM drop-in for the \u003cstrong\u003eCarrier N6A48NG481465\u003c\/strong\u003e packaged unit. Always confirm the 120V primary and 24V secondary voltage ratings match your unit's data plate before installation. Our parts specialists are available to verify fitment — reach out before you order if you have any questions. In stock and ready to ship today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909276815731,"sku":"CARRIE-N6A48NG481465-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909276848499,"sku":"CARRIE-N6A48NG481465-TRANSFORMER-HT01BC116-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-HT01BC116_caec1ef7-fb09-4f85-961f-acf51f2251ee.jpg?v=1782941763","url":"https:\/\/nationalhvacparts.com\/products\/carrier-n6a48ng481465-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}