{"product_id":"carrier-n6d48ng480100-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V\/24V for N6D48NG480100","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer HT01BC116 for Model N6D48NG480100\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer (part# HT01BC116) is the factory-specified replacement for the \u003cstrong\u003eCarrier N6D48NG480100\u003c\/strong\u003e packaged unit. The transformer steps down 120V line voltage to the 24V signal voltage that powers your thermostat, control board, and all low-voltage switching circuits. When it fails, nothing in the control system responds — the thermostat goes blank, the system won't call for heating or cooling, and the unit sits completely dead despite having power. A blown transformer is often misdiagnosed as a failed control board, making correct identification critical before replacing more expensive components.\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 HT01BC116 | Designed for Carrier packaged unit platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e OEM Carrier transformers are wound to exact VA tolerances and use the correct mounting footprint, ensuring the 24V output remains stable under full control-circuit load. Generic transformers may underperform at rated VA, causing nuisance lockouts or overheating on multi-zone control circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off all power at the disconnect before beginning. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output post-install and check for secondary shorts before energizing). Always inspect secondary-side wiring for shorts that may have caused the original transformer failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM factory warranty. In-stock units ship same business day from our climate-controlled warehouse.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Engineered specifically for the Carrier \u003cstrong\u003eN6D48NG480100\u003c\/strong\u003e packaged unit. Verify the primary voltage (120V) and VA rating on your unit's data plate before ordering. If your application uses a 208\/240V primary, do not substitute this unit. Our fitment team is available to confirm compatibility before you purchase — order with confidence and get your system back online today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62909267673459,"sku":"CARRIE-N6D48NG480100-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62909267706227,"sku":"CARRIE-N6D48NG480100-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_bf9ba890-062a-4264-b3a2-4336ebd23516.jpg?v=1782941785","url":"https:\/\/nationalhvacparts.com\/products\/carrier-n6d48ng480100-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}