35000 Btu/h [Max]: Output Power; 800.00 sq. ft. [Max]: Working Area. Heater shuts off with loss of flame or if tipped over (tip over switch only on HS35LP).

8000 Btu/h, 14000 Btu/h, 8000 Btu/h [Min],: Output Power; 20 lb, 20 lb [Max]: Tank Size. Heats radiantly, with no loss of heat to the air. HS35LP).

8000 Btu/h, 14000 Btu/h, 8000 Btu/h [Min],: Output Power; 20 lb, 20 lb [Max]: Tank Size. Hi-medium-low regulator and soft nose P.O.L. HS35LP).

8000 Btu/h, 42000 Btu/h, 8000 Btu/h [Min], 42000 Btu/h [Max]: Output Power; 20 lb [Min], 100 lb [Max]: Tank Size.Fully assembled, ready for use. HS35LP).