Perfect for horticultural, commercial, industrial and agricultural uses, , High-efficiency heaters slash energy costs, , Easy to maintain and operate, , Installation is quick, and power venting means low installation cost, , Can be mounted using 2 threaded rods, sold separately below, , Dependable intermittent spark ignition with continuous re-try, , Natural gas units can be field converted to propane if desired, , Power exhauster rotates 180 deg so heater can be vented vertically or horizontally, , Designed to use the smallest diameter vent pipe possible, Please Note - High Altitude Kit is required at altitudes above 2,000 ft, Contact us for details, SKU: FRMTK2374