Potter VSR-FE-2-6 VSR Series Vane Type Waterflow Alarm Switch with Electronic Retard, 6" Pipe Size

For reliable wet-sprinkler system protection and dependable alarm signaling, choose the Potter VSR-FE-2-6 vane type waterflow alarm switch. This Potter Electric Signal waterflow switch is engineered to detect flows of 10 GPM (38 LPM) or greater and includes a field‑replaceable electronic delay (0–90 seconds) to prevent nuisance alarms from short transients. Built with a rugged die-cast steel, weatherproof enclosure, the VSR-FE-2-6 installs on 6" steel pipe (compatible with schedules 10–40, 2"–8") and is UL Listed and FM Approved for reliable performance.

Designed for integrators and facility managers, the unit’s two DPDT contacts make it easy to interface with fire alarm control panels, security monitoring systems, and remote supervisory equipment. The adjustable electronic retard provides precise control over alarm timing, improving overall system stability and reducing unnecessary dispatches. Whether used as a sectional detector on large risers or as a primary flow alarm, the VSR-FE-2-6 delivers proven monitoring for fire protection and building security applications. Specify the Potter VSR-FE-2-6 for robust sprinkler monitoring—contact your sales rep or add to your next project order.

• Provides dependable wet-sprinkler monitoring to quickly detect and report flow events, minimizing system downtime and liability
• Adjustable 0–90 second electronic retard reduces false alarms and ensures only sustained flows trigger notification
• Trip sensitivity at 10 GPM (38 LPM) for reliable detection on a 6" pipe size and compatibility across steel pipe schedules
• Weatherproof, die-cast steel enclosure supports indoor/outdoor installations and integrates with building security and monitoring systems
• Two DPDT contacts for flexible wiring to fire panels, supervisory circuits, or remote monitoring devices; backed by a 5-year warranty