We know you need your equipment to work as hard as you do. Trust Master® 600000 Btu kerosene/diesel forced air torpedo heater to get the job done. This versatile, multi-fuel heater will warm up to 15000 sq-ft of your shop, barn, construction site, or wherever you need powerful, dependable heat. This high-output heater's time-tested design includes Master® rigorously tested cold-start system, plus the built-in convenience and safety features you expect from Master® products. Master® built for power. Master® Air Forced Torpedo Heater, 600000 Btu/hr, 40 gal Tank, 4.5 gph Fuel, Kerosene/Diesel, 15000 sq-ft Heating Area, 9 hr, 3000 cfm, 120 VAC, 5.5 A, 60 Hz, 78 in L x 50 in W x 37 in H, Import