Sealey Space Warmer® Industrial Propane Heater 125,000Btu/hr LPH125Industrial heater suitable for well ventilated applications. Reaches maximum heat output within seconds of being turned on. Highly portable, no power supply required, just connect to gas bottle (not included). Heavy duty frame and steel mesh guard with durable paint finish. Fitted with a piezoelectric ignition system for trouble free starting. Features safety thermocouple and flame failure valve. Super quiet operation, includes no moving parts.