System Sensor EPSA10-2P Alarm Pressure Switch For Sprinkler System to Indicate a Discharge from a Sprinkler 10A at 125/250 VAC 2.5A at 6/12/24 VDC 1/2 in.
System Sensor EPSA40-2P High/Low Supervisory Pressure Switch For Dry Pipe System or Pressure Tanks and Water Pressure Supplies, 10A at 125/250 VAC, 2.5A at 6/12/24 VDC, 1/2 in.