{"product_id":"carrier-pg8maa048110acja-transformer-h2usbz","title":"OEM Carrier Transformer 40VA 120V-24V HT01BC116 for PG8MAA048110ACJA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 120V–24V (HT01BC116) for Model PG8MAA048110ACJA\u003c\/h1\u003e\u003cp\u003eThis OEM control transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8MAA048110ACJA\u003c\/strong\u003e gas furnace. It steps down 120V line voltage to the 24V required by the furnace's control board, thermostat circuit, and low-voltage components. When this transformer fails, the entire control circuit loses power — resulting in a completely unresponsive furnace, a blank thermostat display, or an immediate no-heat lockout with no error codes. A blown internal fuse or a shorted secondary winding are the two most common failure modes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA capacity | 120V primary \/ 24V secondary | 50\/60 Hz | Single phase | Wire-lead connection type — matches factory OEM specification exactly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit is wound to Carrier's exact 40VA ±3% tolerance. Undersized or off-tolerance generic transformers can overheat under normal control-circuit loads, tripping thermal cutoffs and causing intermittent no-heat complaints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off the furnace disconnect and confirm 0V at the transformer primary before touching any terminals. Tools needed: flathead and Phillips screwdrivers, multimeter, wire nuts or quick-disconnect terminals. Photograph existing wiring before removal. Note: OEM part number HT01BC116 has been superseded by HT680054 — both designations are fulfilled with the current production unit.\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 Direct OEM replacement for Carrier model \u003cstrong\u003ePG8MAA048110ACJA\u003c\/strong\u003e gas furnace. This transformer also cross-references to multiple Carrier, Bryant, and Payne furnace platforms that share the same 40VA 120\/24V control circuit specification. Verify your data plate lists 120V primary and 24V secondary before ordering. Our fitment team is available to confirm compatibility prior to purchase — order with confidence and get your heat back on today.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642960138611,"sku":"CARRIE-PG8MAA048110ACJA-TRANSFORMER-HT01BC116","price":50.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642960171379,"sku":"CARRIE-PG8MAA048110ACJA-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_1f661d44-76d4-4ee0-8fa9-2621e65abac5.jpg?v=1775041297","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8maa048110acja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}