{"product_id":"carrier-pg9mab060080lbsa-transformer-h2usbz","title":"OEM Carrier Furnace Transformer 40VA 120V-24V — PG9MAB060080LBSA","description":"\u003ch1\u003eOEM Carrier 40VA 120V-24V Furnace Transformer for Model PG9MAB060080LBSA (Part# HT01BC116 \/ HT680054)\u003c\/h1\u003e\u003cp\u003eThis is the OEM factory-specified step-down transformer for the \u003cstrong\u003eCarrier PG9MAB060080LBSA\u003c\/strong\u003e gas furnace. The transformer converts 120V line voltage to 24V AC to power the low-voltage control circuit — including the thermostat, control board signals, gas valve coil, and zone controls. When this transformer fails, the entire low-voltage system loses power: the thermostat goes blank, the furnace won't respond to any call for heat, and in some cases the control board may indicate a fault. A blown 3A fuse on the secondary side is often the first sign of transformer stress.\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 with wire lead connections | Compact 3″ L × 2-3\/16″ W × 2″ H housing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM vs Generic:\u003c\/strong\u003e This OEM unit ships in a Carrier\/Bryant factory-authorized parts box and is wound to exact VA and voltage tolerances. Generic transformers often run under-spec VA ratings, causing premature thermal cutout or insufficient voltage under load — especially on multi-zone systems where secondary current draw is higher.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall difficulty: 2\/5\u003c\/strong\u003e — Turn off 120V power at the breaker and disconnect the furnace before beginning. Label or photograph all wire connections before removal. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter (verify 24V output after install). Check and replace the inline 3A secondary fuse if blown — a blown fuse may indicate a short elsewhere in the low-voltage circuit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1-year OEM manufacturer warranty. Ships same business day from our warehouse when ordered by 5PM local time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Part Number Note:\u003c\/strong\u003e Original part number HT01BC116 has been superseded by \u003cstrong\u003eHT680054\u003c\/strong\u003e — the current OEM replacement shipped in all new orders. Also replaces: HT01BC115, HT01BB126, HT01CT120, HT01BC120, HT01AW115, HT01AA012, HT01AQ110, HT01CT210, 322666-701, B1810113, and more. Fits Carrier \u003cstrong\u003ePG9MAB060080LBSA\u003c\/strong\u003e and a wide range of Carrier, Bryant, and Payne furnaces with 40VA 120V\/24V transformer requirements. Verify specs on your unit's data plate before ordering. In stock and ready to ship — order now!\u003c\/p\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642140184947,"sku":"CARRIE-PG9MAB060080LBSA-TRANSFORMER-HT01BC116","price":51.95,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642140217715,"sku":"CARRIE-PG9MAB060080LBSA-TRANSFORMER-HT01BC116-GEN","price":45.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-transformer-HT01BC116_decb9bf0-f224-4a89-af6a-2efeb3bd8dff.jpg?v=1775031813","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg9mab060080lbsa-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}