POTTER SIGNALS
Vane Type Waterflow Alarm Switch with Retard
The Potter VSR is a vane type waterflow switch with non-corrosive insert for use on wet sprinkler systems. It is UL Listed and FM Approved for use on steel pipe. Models available for pipe sizes 2" through 10"
Outside Screw and Yoke Valve Supervisory Switch
The OSYSU is used to monitor the open position of an OS&Y (outside screw and yoke) type gate valve.