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WFSR-F POTTER
Warranty Terms and Conditions

WFSR-F POTTER

by POTTER
$730.66 - $730.66
$730.66
$730.66 - $730.66
$730.66
Availability :
Pre-order

Product out of stock at the moment.
ETA starting at 2 weeks!

Product Overview

 The WFSR-F is a pressure-operated waterflow switch designed with an adjustable, instant-reset pneumatic retard to minimize false alarms caused by normal fluctuations in system pressure. Installed on the alarm port of a wet sprinkler system’s alarm check valve, this device delivers reliable activation when rising water pressure indicates system flow. Its rugged die-cast enclosure and NEMA 4 rating (with proper fittings) make it suitable for demanding environments and compliant with major NFPA standards.

Key Features

  • Pressure-activated switch with adjustable pneumatic retard to prevent nuisance alarms
  • Factory-set activation between 5–8 PSI (0.35–0.55 BAR) on rising pressure
  • Supports system pressures up to 175 PSI (12.1 BAR)
  • Two SPDT (Form C) contacts rated 15A at 125/250VAC and 2A at 30VDC
  • Durable die-cast housing with red powder-coat finish
  • NEMA 4 enclosure when installed with proper conduit fittings
  • Includes tamper-resistant cover fasteners and key
  • Compatible with NFPA 13, 13D, 13R, and 72 system requirements