System Sensor EPS40-2 Alarm Pressure Switch 40psi With Two SPDT dated seal Head Size: NPT stands for

Head Size:  NPT stands for National Pipe Thread

Viking Concealed 23193 Thread On Standard Stainless Steel Cover Plate - Available In Multiple Temperatures

Depth - 3 1/2"

and are not returnable

Potter Roemer provides this cabinet to house a fire hose and extinguisher

System Sensor EPS40-2 Alarm Pressure Switch 40psi With Two SPDT dated seal Head Size: NPT stands forSystem Sensor EPS40 2 Alarm Pressure Switch 40psi With Two SPDT Supervisory pressure switch adjustable response 10 to 100 PSI, for dry pipe fire sprinkler systems or pressure tanks and water pressure supplies of automatic control valves, includes two SPDT switches. System Sensor EPS40 Series switches are designed for use in dry pipe systems or pressure tanks and water pressure supplies of automatic water control valves. Features: Sensitivity