OEM Carrier Transformer for UPFLOW080UAAC14B

The control transformer in your Carrier UPFLOW080UAAC14B furnace converts incoming line voltage into the 24V low-voltage power that drives your thermostat, control board, inducer relay, and gas valve. It is the power supply for the entire control circuit — if it opens or shorts, the system goes dead. Homeowners notice a blank thermostat, a furnace that won't respond to any heat or cool call, or a low-voltage fuse on the board that blows as soon as it's replaced. A transformer breaking down under heat will let the unit start, then cut out once the cabinet warms, producing a maddening intermittent no-heat fault. Specs: Class II 40VA control transformer, 120/240V dual primary, 24V secondary, matched to Carrier's OEM VA rating and insulation class. The 40VA capacity keeps the 24V steady when the gas valve and inducer relay draw current together — an undersized substitute sags the control voltage under load. Why OEM matters: generic transformers are often wound with thinner magnet wire to looser VA tolerances, so they run hot and droop below 24V when loaded, causing erratic control behavior and early failure. The OEM transformer holds stable voltage, fits the factory mounting footprint, and uses the correct lead identification. Install difficulty: 2/5. Tools: 1/4" nut driver, multimeter, wire strippers. #1 safety warning: KILL THE BREAKER feeding the furnace before touching the primary leads — the line side carries lethal 120/240V even with the thermostat off. Verify the secondary reads 24-28V before closing the panel. Ships same business day from our stocked warehouse on orders before 3 PM CST. Backed by a 1-year OEM warranty and 30-day hassle-free returns on uninstalled parts.

Compatibility

This part is compatible with Carrier model UPFLOW080UAAC14B. Always verify the part number against your unit's data plate before ordering.

Why Choose OEM?

OEM 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.

Shipping & Returns

Same-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.