This Ridgid manual pressure test pump is ideal for leaks in installations which are required to be leak proof. Especially for use in heating, compressed air, refrigeration systems, oil installations, sprinkler systems and other small bore pipe installations. Automatic pressure holding valves enable the system to be easily pressurised. Very low effort required to operate. Maximum pressure: 725 psi. Container capacity: 13.5 litres (water, oil or ethylene glycol). Volume/stroke: 38cm².