Indoor Separated Combustion Duct Furnace

Indoor Separated Combustion Duct Furnace

Modine indoor separated combustion duct furnaces are designed and engineered to deliver superior performance in a variety of applications.  Designed for use within a building’s ductwork with upstream air mover by others.

Separated combustion duct furnaces are specifically designed for buildings with hostile atmospheric conditions, such as high humidity or negative pressures.

Modine Model DFS

  • ETL certification for use in the US and Canada
  • 81% thermally efficient
  • 20-gauge aluminized steel cabinet
  • 115V control step down transformer with 24V gas controls
  • 409 Stainless steel heat exchanger, drip pan
  • Stainless steel burner with stainless steel separator strip
  • Certified to 3.0” W.C. external static pressure
  • Single-stage intermittent pilot with continuous retry control system for natural or propane gas operation.
  • Right side access to burner and gas controls (when looking into the discharge) with slide-out burner drawer
  • High limit safety control
  • Control terminal board
  • Separate electrical, venting, and gas control access with fully gasketed doors to seal components from the environment.
  • Combustion air is drawn completely from outside to ensure that the unit always has plenty of fresh, clean air.
  • Since combustion air is introduced from outside, off-cycle vent losses are essentially eliminated, further improving building efficiency.
  • Horizontal or vertical two-pipe or concentric venting options.
  • Designed, Engineered & Assembled in the USA
  • 409 stainless steel heat exchanger, burner, and drip pan
  • Two-stage and electronic modulation controls
  • High and/or low gas pressure switches
  • Smoke detectors, timed freeze protection, thermostats, time clocks, and many other control devices
  • Concentric vent kits or vent caps for 2-pipe systems

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