Potter VSR-C 2" VSR Series Vane Type Waterflow Alarm Switch with Retard for Copper Pipe, 2" Pipe Size

Protect your facility with fast, dependable water-flow monitoring designed specifically for fire sprinkler systems. The Potter Electric Signal VSR-C vane type waterflow alarm switch is a pipe-mounted solution that delivers early detection of sprinkler discharge on 2" copper pipe, helping to speed fire alarm response and reduce damage. With a UL-listed flow sensitivity of 4–10 GPM and dual SPDT (Form C) contacts, the VSR-C supports separate circuits and dissimilar voltages for flexible integration into fire alarm, security, and building monitoring systems. The NEMA 4/IP54 die-cast enclosure with factory-installed gasket and non-corrosive sleeve ensures reliable performance in indoor or outdoor installations and withstands surges up to 18 FPS. Ideal for wet sprinkler systems, the VSR-C simplifies commissioning and ongoing maintenance while improving system uptime and situational awareness for facilities and security teams. Add the Potter VSR-C 2" vane waterflow switch to your next fire safety upgrade or contact us to order and enhance your monitoring and security infrastructure.

• Fast, reliable detection to accelerate fire alarm response and minimize property risk
• Rugged NEMA 4/IP54 die-cast enclosure for dependable indoor/outdoor monitoring and long service life
• Precision 4–10 GPM sensitivity for accurate detection on 2" copper pipe installations
• Dual SPDT contacts allow separate circuits or dissimilar voltages for flexible integration with fire alarm and security systems
• Factory-installed non-corrosive sleeve and 18 FPS surge tolerance reduce maintenance and improve durability