{"product_id":"carrier-pg8daa060115acja-transformer-h2usbz","title":"OEM Carrier Furnace Transformer 40VA 120V-24V — PG8DAA060115ACJA","description":"\u003ch1\u003eOEM Carrier 40VA Control Transformer 120V–24V for Model PG8DAA060115ACJA (Replaces HT01BC116)\u003c\/h1\u003e\u003cp\u003eThis OEM step-down transformer is the factory-specified replacement for the \u003cstrong\u003eCarrier PG8DAA060115ACJA\u003c\/strong\u003e gas furnace. It converts 120V line voltage down to 24V AC to power all low-voltage control circuit components — including the thermostat, control board, gas valve coil, and zone controllers. When the transformer fails, the entire control circuit loses power: the thermostat goes blank, the furnace won't respond to calls for heat, and nothing turns on. A blown 3A fuse on the secondary side is often the first sign of transformer stress or a downstream short.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003e 40VA rating | 120V primary \/ 24V secondary | 50\/60 Hz | Single-phase | Foot-mount configuration | Wire lead connections with insulated female quick-connects\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit meets Carrier's exact VA rating and secondary voltage tolerance. Undersized or off-spec generic transformers can overheat under full low-voltage load, trip thermal protection, and shorten the life of your control board and gas valve coil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Shut off power at the breaker before starting. Tools needed: flat-head and Phillips screwdrivers, needle-nose pliers, multimeter (to verify 24V output after install). Photograph all wiring before disconnecting. Check and replace the 3A inline fuse if it is blown — a blown fuse indicates a downstream short that must be resolved before powering up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. In-stock units ship same business day when ordered before 3 PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Supersession Note:\u003c\/strong\u003e OEM part number HT01BC116 has been superseded by \u003cstrong\u003eHT680054\u003c\/strong\u003e, the current Carrier factory-authorized replacement. This listing supplies the current production OEM unit (HT680054), which is a direct drop-in for all units originally spec'd with HT01BC116. Also replaces: HT01BC115, HT01BB126, HT01CT120, HT01BC120, HT01AW115, HT01AA012, and HT01AQ110. Verify your model's data plate before ordering. Our fitment team is available to confirm compatibility — contact us before you buy.\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62643229327731,"sku":"CARRIE-PG8DAA060115ACJA-TRANSFORMER-HT01BC116","price":52.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62643229360499,"sku":"CARRIE-PG8DAA060115ACJA-TRANSFORMER-HT01BC116-GEN","price":46.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BC116_ffcfd940-3de7-46da-abcf-45bff7aee2de.jpg?v=1775031752","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8daa060115acja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}