Ridgid 50557 1450 Pressure Test Pump
Click below to buy on Amazon: http://www.amazon.com/gp/product/B0029PTIB6?tag=sukses2015-20

Especially for use in heating compressed air refrigeration systems oil installations sprinkler systems and other small bore pipe installations
Tests hydraulically for leaks in installations which are required to be leak proof Will test systems up to 725 PSI