TECHNICAL INFORMATION FOR Whirlpool® HVAC DEALERS AND DISTRIBUTORS

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Furnaces - 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.

Standard Features

  • 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
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