Portable Gas Torpedo Heater, Vapor Propane, Natural Gas, Direct Spark, 18 in Wx 46 in L

Portable Gas Torpedo Heater, Fuel Type Natural Gas, Propane, Heating Capacity Output 400,000 BtuH, Heating Area 20,000 sq ft, Minimum Cylinder Size 2,000 lb, Ignition Type Direct Spark, Ignition Power Source Electric, Thermostat Included Unit-Mounted, Overall Height 24 in, Overall Width 18 in, Overall Depth 46 in, Automatic Safety Shut-Off Included Yes, Built-In Air Pressure Gauge Included No, Digital Temperature Readout Included No, Flame-Out Sensor Included Yes, LED Diagnostics Included No