BERKO® CONTRACTOR HEATERS 4,000/3,000 Watt HeaterContractor heaters are ideal for construction job sites, commercial workshops and large unheated areas. Compact, portable heaters feature a built-in thermostat with safety high temperature limit. Industrial finger-proof steel intake and discharge grills for safety. Steel spiral fin brazed to metal sheathed element for maximum heat transfer. Permanently lubricated motor. Built-in handle with cord wrap for easy lifting. 6'L heavy duty power cord with 20 Amp 240V NEMA #6-20P plug. 240/208V. UL & CUL listed. 5 Year Limited Warranty.