VIP78: Tamper Switch with Clip-On Bracket - Flair Electronics
System Sensor - OSY2 Tamper Switch (AUS)
848 Series - Ductile Iron UL/FM Wafer Style Butterfly Valve w/ Tamper Switch
System Sensor PIBV2 Supervisory Tamper Switch For Butterfly and Post Indicator Valves PIV
Potter OSYSU-2 Outside Screw & Yoke Supervisory Switch
Supervisory Switches: Valve Tamper Switch, Water Level Switch, Air Pressure Switch, Low Temperature Switch
Control Valve Supervisory Switch | Potter Electric
Fire Protection OS&Y Gate Valve D.I. Body Flanged 4" w/ two NBG kits, Tamper Switch - ARGCO.COM
Ames Fire Tamper Switch| Watts Brands
System Sensor OSY2 Supervisory Tamper Switch for OS&Y Gate Valves - SPW Industrial
What is a Tamper Switch for Fire Protection Systems?
Quick Response Fire Supply on Twitter: "Flow and tamper switches are both vital #firesprinkler components, making sure systems are functional or monitoring activation — and they must be maintained properly. Fortunately, #NFPA
Potter OSYSU-2 Outside Screw & Yoke Supervisory Switch - FireAlarm.com