This tool is a must for pressure testing purposes. The pump tests all types of installations such as heating, compressed air and refrigeration systems, oil installations, fire lines and small bore pipelines. A unique, variable lever arm design and automatic pressure holding valves enables the user to easily pressurise the system. Compatible fluids include water, oil and ethylene glycol. Can be connected to water supply for rapid filling. Features: Tank Capacity 13.5 litres. Connection 1/2" BSPP. Volume Stroke 38cm³. Will test systems up to 725 PSI/50bar