The Potter PS40-EX Supervisory Pressure Actuated Switch is designed primarily to detect an increase and/or decrease from normal system pressure in automatic fire sprinkler systems located in hazardous locations.

The Model VSR is a vane type waterflow switch for use on wet sprinkler systems. It is UL Listed and FM Approved for use on steel pipe; schedules 10 through 40, sizes 2" thru 8" (50 mm thru 200 mm), and schedule 5, sizes 2" thru 6".

Potter is offering free informational webinars on corrosion. With a proactive approach to combating corrosion through education, you will maintain operational awareness of your fire sprinkler system. If left unchecked, corrosion will progressively weaken the fire sprinkler system’s integrity, causing delayed responses and even system failure. Understanding how corrosion attacks a fire sprinkler system will enhance its protection and extend the service life of the …

The Model VS-SP is a vane type waterflow switch for use on wet sprinkler systems. These devices may be used as sectional flow indicators on large sprinkler systems and on smaller sprinkler systems such as mobile homes and residential dwellings.

Potter is proud to announce the release of new versions of our OSYSU and PCVS Supervisory Switches. These products include features that enhance installation and adjustment.