Herkules Equipment Corp., a manufacturer of equipment for the Paint, Body ' Equipment industry, announces a new 3 Year Pump Warranty covering our 338 diaphragm pump. Herkules family of Paint Gun Washers, including the G100, G200, G205, and GW/R-SS, are built with our 338 pump, which has proven to be very dependable and long lasting, providing years of trouble-free operation.