Heavy duty 304 stainless steel burner & pan, guards against rusting and ensures a long lasting product Simple battery powered push button ignites the flame using a pilot light and thermocouple Automatic flame sensor detects if the pilot goes out and automatically closes the gas valve for added safety New flexible gas line allows a more accommodating installation The HPC Fire Push Button Flame Sensing Gas Fire Pit Kit (TOR-FPPK36X14-H-FLEX-LP), 36x14 in. Pan, 30x8 in. Torpedo Burner, Propane for Bulk Tank combines high-quality construction and convenience to complete your gas fire pit project. The battery-powered spark ignition system gives effortless control over the fire pit with just the push of a button; the FPPK series also features an automatic flame sensor that will detect if/when the pilot is extinguished, and will automatically close the gas valve. The H-shaped burner is constructed from premium 304 stainless steel; each burner features standard burner ports, a 1/2 in. female gas inlet, and is neatly machine-welded to produce a seamless and durable product. The innovative Torpedo burner nozzles provide a higher flame akin to a natural wood fire. This burner kit is designed for propane gas applications, the burner will come assembled to the rectangular bowl pan. Also assembled will be the necessary fittings for the sealed control box attached with a flexible gas line; this propane unit will include a wire mesh guard to keep clogs out of the gas line.