System Sensor EPS40-1 Alarm Pressure Switch 40psi With One SPDT supervisory weatherproof back box

weatherproof back box

high density red or white virgin high-impact polystyrene of

High density injection molded

inserting the bold into the hole on the guard reinstalling it into the bell on the wall

Safe Signal WFD40EXP 4" Explosion Proof Waterflow Switch

System Sensor EPS40-1 Alarm Pressure Switch 40psi With One SPDT supervisory weatherproof back boxSystem Sensor EPS40 1 Alarm Pressure Switch 40psi With One 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 one SPDT switch. 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 adjustment