{"product_id":"carrier-pg8maa060090abja-transformer-h2usbz","title":"OEM Carrier Transformer 40VA for PG8MAA060090ABJA Gas Furnace","description":"\u003cdiv class=\"product-content\"\u003e\n\u003ch1\u003eOEM Carrier Transformer 40VA for PG8MAA060090ABJA Gas Furnace\u003c\/h1\u003e\n\u003cp\u003eThe control transformer steps the incoming 120V line voltage down to the 24V that powers the low-voltage side of your Carrier PG8MAA060090ABJA furnace — the thermostat, control board logic, gas valve, and relays. When the transformer fails, nothing on the 24V side wakes up: the thermostat screen may go blank, the furnace becomes completely unresponsive to heat or fan calls, and no inducer or igniter sequence starts. A transformer that is shorting can also hum loudly, run hot to the touch, or repeatedly blow the board's low-voltage fuse moments after replacement.\n\nThis is a genuine OEM transformer with a 120V primary and 24V secondary, rated at 40VA — sized to carry the gas valve and board load with margin. Verify a suspected failure by checking for ~24–28V across the secondary terminals with a multimeter; zero volts with good 120V at the primary confirms an open winding.\n\nOEM matters because an undersized or loosely-wound aftermarket transformer sags under load when the gas valve and inducer pull simultaneously, dropping secondary voltage below the gas valve's pull-in threshold and causing intermittent no-heat faults. The genuine 40VA unit maintains stable voltage and uses the correct mounting footprint and lead colors.\n\nInstall difficulty: 2 of 5. Tools needed: 1\/4\" nut driver, multimeter, wire nuts or quick-connects. #1 safety warning: kill power at the breaker before touching the transformer — the 120V primary leads carry lethal line voltage even when the thermostat is off.\n\nShips same business day from our stocked warehouse on orders placed before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.\u003c\/p\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis part is compatible with Carrier model PG8MAA060090ABJA. Always verify the part number against your unit's data plate before ordering.\u003c\/p\u003e\n\u003ch2\u003eWhy Choose OEM?\u003c\/h2\u003e\n\u003cp\u003eOEM parts are manufactured to the exact factory specifications for your unit. Generic aftermarket alternatives may fit physically but often use lower-rated components that reduce equipment life and void manufacturer warranties. When the cost difference between OEM and generic is $10-30, the OEM part is always the smarter investment on a system worth $5,000-$15,000.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cp\u003eSame-day shipping on orders before 3 PM CST. Standard delivery 2-5 business days, express options available at checkout. 30-day hassle-free returns on uninstalled parts — free return shipping included. 1-year OEM factory warranty coverage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carrier","offers":[{"title":"OEM","offer_id":62642953257331,"sku":"CARRIE-PG8MAA060090ABJA-TRANSFORMER-HT01BC116","price":47.25,"currency_code":"USD","in_stock":true},{"title":"Generic","offer_id":62642953290099,"sku":"CARRIE-PG8MAA060090ABJA-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_3ff67bf5-a001-4af3-abb1-bf0ea0ace999.jpg?v=1782942697","url":"https:\/\/nationalhvacparts.com\/products\/carrier-pg8maa060090abja-transformer-h2usbz","provider":"National HVAC Parts","version":"1.0","type":"link"}