WFM18/WFD18 Multi-Position, Single-Stage/Multi-Speed Gas Furnaces
The Whirlpool® WFM18/WFD18 80% AFUE Single-Stage, Multi-Speed Gas Furnaces feature a patented aluminized-steel tubular heat exchanger and energy-efficient Hot Surface Ignition system. Every furnace is run-tested for heating or combination heating/cooling applications. With a heavy-gauge, reinforced steel cabinet and durable baked enamel finishes, these units can be installed in a variety of positions.
Patented heavy duty dual-diameter tubular heat exchanger
Single-stage combination redundant gas valve
Norton Hot Surface mini-igniter
Quiet four-speed direct-drive circulator blower motor
Furnace control board with self-diagnostics and low-voltage terminal block
Quiet single-speed, induced-draft blower