Potter WFSR-F Pressure Activated Water-flow Alarm Switch with Retard

About this product

Potter WFSR-F is a pressure operated switch with an adjustable, instantly recycling pneumatic retard to prevent false alarms due to water pressure variation. The WFSR-F is connected into the alarm port of a wet sprinkler system alarm check valve. Operation of the unit is checked by opening the by-pass test valve or inspector’s test valve. The frequency of the inspection and testing for the Model WFSR-F and its associated protective monitoring system should be in accordance with applicable NFPA Codes and Standards and/or authority having jurisdiction (manufacturer recommends quarterly or more frequently).

Key features

• WFSR-F is a pressure operated switch with an adjustable, instantly recycling pneumatic retard
• It is connected into the alarm port of a wet sprinkler system alarm check valve
• A male ½" NPT pipe fi tting is provided for connection to the alarm port of the alarm check valve
• Allow 5" (12,7cm) to the front of the unit for removal of the cover
• No additional mounting or support is required
• Install with the pressure connection down.

Specifications

Product

Water-flow Alarm Switch with Retard