Description
The Model WFSR-F (Part Number 1010080) 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.
Features
- Assembled in USA
- 0-90 second field replaceable time delay retard
- Easy to read retard time delay adjustment knob
- Mounting secured with integral 1/2" male NPT fitting
- Two SPDT (form C) contacts
- Weatherproof
- Easy to read wire terminal designations