Big heat right out of the box. The Mr. Heater 200,000 BTU Liquid Propane Convection heater packs a big punch in a small package. The MH200CVX utilizes the natural act of warm air rising to quickly heat up to 5,000 square feet. Equipped with a thermo-electric safety valve to shut the gas flow off if the flame ever goes out. Just hook-up the supplied 10ft propane hose and regulator assembly to a 100lb propane tank, then easily light the heater utilizing the factory installed Piezo igniter and enjoy the comforts of a toasty warm jobsite with the MH200CVX. 75,000 – 200,000 BTU per hour. Clean burning. For use with propane gas. No electricity required. Operates up to 29 hours on a 100 lb. propane tank. Quiet and odorless. Standing pilot for increased safety. Comes with 12 feet hose and regulator. P.O.L. tank connection. CSA Certified.