Designed to pressure test all types of piping systems for leaks, including heating, compressed air, refrigeration, oil, sprinkler and small bore pipeline systems Features a patented variable lever-arm design and automatic pressure holding valves that enable fast, easy pressurization while reducing the handle force required Versatile hydraulic pressure test pump is a lightweight 14 pounds (6.4 kg) and features a handle that locks easily for convenient transport; 3.6-gallon (13.6 liter) reservoir doubles as a handy tool box Corrosion-proof construction offers durability; replaceable dirt filter keeps components clean 725 PSI maximum pressure; 38 cm3 volume/stroke