{"product_id":"carrier-pg8uaa060135acja-transformer-h2usbz","title":"OEM Carrier Furnace Transformer 40VA 120V-24V for PG8UAA060135ACJA","description":"\u003ch1\u003eOEM Carrier Furnace Transformer 40VA 120V–24V for Model PG8UAA060135ACJA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8UAA060135ACJA\u003c\/strong\u003e gas furnace. The transformer steps 120V line voltage down to 24V to power the entire low-voltage control circuit — including the thermostat, gas valve, inducer relay, and control board. When the transformer fails, \u003cem\u003enothing works\u003c\/em\u003e: the furnace will not respond to thermostat calls, the control board goes dark, and no error codes are displayed because the system has no power. A failed transformer is often misdiagnosed as a bad control board, making this a critical first diagnostic check.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | Primary: 120VAC | Secondary: 24VAC | 50\/60 Hz single-phase | OEM Part # HT01BC116 (superseded by HT680054) | Dimensions approx. 3″ L × 2-3\/16″ W × 2″ H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM transformer is wound to exact Carrier factory tolerances, ensuring stable 24V output under full load. Generic transformers often under-deliver VA capacity, causing voltage sag that triggers nuisance lockouts or premature control board failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty: 2\/5\u003c\/strong\u003e — Disconnect power at the breaker before starting. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Label or photograph all wire connections before removal. Verify 24V output at secondary terminals before closing the cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship same business day from our warehouse when ordered by 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for the \u003cstrong\u003eCarrier PG8UAA060135ACJA\u003c\/strong\u003e 80% AFUE packaged gas furnace. OEM part number HT01BC116 has been superseded by HT680054 — both references are fulfilled with the current production part. Always confirm primary voltage (120V) and VA rating (40VA) on your unit's data plate before ordering. Have a fitment question? Our HVAC parts specialists verify compatibility before you buy — reach out before placing your order.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642728239475,"sku":"CARRIE-PG8UAA060135ACJA-TRANSFORMER-HT01BC116","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642728272243,"sku":"CARRIE-PG8UAA060135ACJA-TRANSFORMER-HT01BC116-GEN","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BC116_e3b4c6a9-18aa-4cc8-8f0f-b88cf37cf5c3.jpg?v=1775031700","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8uaa060135acja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}