Watts 0069721|WW0069721 - 276H300 HOSE CONN. PSI GAUGE 2-1/2"

This hose connection gauge is used to test water supply pressures within a distribution system. Its red indicator hand holds at the highest reading registered for detection of thermal expansion pressure surges. It features a black enamel steel case, Kostil polymer window, 3/4 inch HT hose connection and copper alloy bourdon tube sensing element. Accuracy is ASME, Type B measures 0-300 psi.