Thermostat ControlMechanical-Low/HighMechanical-Low/High
Maximum Btu/hr:2,400,0002,400,000
Minimun Btu/Hr2,100,0002,100,000
Max. External Static PressureUp to 3" ESPUp to 3" ESP
Fan Type:Backward InclinedBackward Inclinded
Discharge Diameter:32"32"
Voltage:3 Phase, 208 Volt3 Phase, 480 Volt
Current Consumption:55 amps28 amps
Recommended Fuse Size:100 amps60 amps
Fuel Type#1-#2 Diesel, NG or Vapor Propane#1-#2 Diesel, NG or Vapor Propane
Natural Gas Consumption:2,100 CFH 4,200 CFH Hi-Fire2,100 CFH Lo-Fire - 4,200 CFH Hi-Fire
Propane Consumption:22.9 GPH Lo-Fire/ 45.9 GPH Hi-Fire22.9 GPH Lo-Fire/ 45.9 GPH Hi-Fire
Diesel Consumption:15.1 GPH Lo-Fire/ 30.2 GPH Hi-Fire15.1 GPH Lo-Fire/ 30.2 GPH Hi-Fire
Pressure Range2 psi / 25psi2 - 25 psi.
Temperature Control DischargeYesYes
Air Proving Safety:YesYes
Flame Sensing SafetyYesYes
Net Weight19,310 lbs.19,310 lbs.
Data SheetIDF-21-32IDF-21-34
NEMA Plug Configuration:N/AN/A
High Limit DischargeYesYes
Dimensions:95" x 384" x 96" (without stack)95" x 384" x 96" (without stack)