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.

Potter announces the release of the newest innovation in corrosion protection, the IntelliPurge® Nitrogen Purge Valve (INS-PV), which works in conjunction with Potter's Nitrogen Generators to monitor the level of Nitrogen in your fire sprinkler system.

We are proud to announce the release of the industry’s first and only weatherproof and explosion proof OS&Y valve supervisory switch, the OSYSU-EX-O. The device is made up of all the same protective features as the indoor version but is also corrosion resistant.

We have released a series of instructional videos pertaining to sprinkler monitoring product installation. This series of six modules takes the viewer through step by step instructions on how to properly install Potter’s sprinkler monitoring products. These helpful directions provide the viewer with an in depth understanding of the installation process in regards to waterflow, pressure, and tamper switches, as well as releasing panels and notification devices. The installation …