80,000 BTU Propane Convection HeaterBig heat right out of the box. The 80000 BTU Liquid Propane Convection heater packs a big punch in a small package. The MH80CV utilizes the natural act of warm air rising to quickly heat up to 2,000 sq. ft. Equipped with a thermo electric safety valve to shut the gas flow off if the flame ever goes out. The single knob is used to ignite the heater and control the heat from 30,000 BTU to 80,000 BTU. Just hook up the supplied 10 ft. propane hose and