Indoor Power-Vented Gas-Fired Duct Furnace

• ETL certification for commercial and industrial use in the US and Canada.
• Aluminized steel cabinet with duct flanges for easy ductwork connection.
• 81% minimum thermal efficiency over a 20 to 100°F temperature rise range for fuel savings.
• Patented aluminized-steel dimple-tube clamshell heat exchanger for maximum heat transfer (409 stainless steel optional).
• Factory-installed power vent with differential pressure switch for proving proper venting
• Heat exchanger certified to withstand 3.0″ W.C. external static for use in systems with long duct runs or high static accessories.
• Aluminized steel burner with stainless steel separator strip (409 stainless steel optional).
• Right-hand control access (left hand optional) with slide-out burner access.
• Single-stage gas controls (two-stage, electronic modulation, or building management controls using a 0-10 Vdc or 4-20 mA input, optional).
• Automatic reset high limit safety control (manual reset optional).
• Intermittent pilot ignition with the continuous retry control system.
• Control the terminal board and low-voltage terminal connections.
• Gas control step-down transformer with 24V gas controls.
• 4-point mounting with threaded rod (by others).
• Designed, Engineered & Assembled in the USA

• Two-stage or electronic modulation controls for either natural or propane gas
• Building management compatible gas controls for modulation control using a 0-10 Vdc
• Multiple-furnace electronic amplifier for controlling up to 4 duct furnaces with one discharge air sensor
• Gas control step down transformers for 208/230V/1Ph and 208/230/460/575V supply voltages
• Left side access to burner and gas controls
• Adjustable differential air flow proving system
• Fan delay timer
• High and low gas pressure switches
• Timed freeze protection
• Supply air fire stat
• Control relay – double pole, double throw
• Separate line voltage and low-voltage terminal strips
• Premium control box and gas control string

Field-Installed:

• Single and two-stage programmable heat/cool room thermostats
• Electronic two-stage duct thermostats
• Electronic modulating room and duct thermostats, and a room override for the duct thermostat
• Smoke detector
• 7-day digital time clocks
• Summer/winter switch
• Condensate connection drain kits
• Pipe hanger adapter kits

Ideal for providing heated supply air in commercial and industrial environments, the DFP series is designed for use with a building’s heating, heating/cooling, and make-up air systems. Common applications include:

• Commercial Office Buildings
• Institutional Facilities
• Mechanical rooms
• Gymnasiums
• Multi-Purpose Rooms
• Cafeterias / Kitchen Hoods
• Bathroom / Locker Rooms
• Warehouse Pressurization