4220

  • Model 4220

    • Safe fuel shutdown if combustion air is interrupted
    • May be ducted up to 400 feet
    • Safe monitoring of combustion, two trial electronic ignition with 20 second pre-purge time delay and 7 second shutdown
    • Direct wire with easy, safe 100% power shut off
    • Protects heater by shutting down if unit is being overfired (high limit)
    • Protects heater by shutting down if voltage is too low
    • Easy monitoring of control voltage to ensure trouble-free operation
    • Automatically cycles the heater hi/low
    • Indoor/outdoor usage
  • Input 7,000,000 BTU/H
    Fuel
    • Vapor Propane
    • Liquid Propane
    • Natural Gas
    Fuel Consumption 76.5 GPH LP, 7000 CFH NG
    Gas Connection 1/2” NPT
    Inlet pressure
    • Min-30psi
    • Max-250psi
    Manifold pressure 15 psi
    Electrical
    • 240V 3Ø 60A
    • 480V 3Ø 40A
    Fan 40,100 CFM 20 HP
    Thermostat High – Low
    Temp Rise 200 degrees
    Weight 1,350 lbs.
    Dimensions 99″ L
    64″ W
    78″ H