Fire Valve Tamper Switch
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Butterfly Valve with Internal Tamper Switch - General Fire Systems LLC
China Water Control Gate Valve with Limit Switch for Fire System
Sprinkler Valve Tamper Switch - Wayne Alarm Systems
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Flow and Tamper Switches | Fire Alarms Boston
Supervisory Switches: Valve Tamper Switch, Water Level Switch, Air
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Flow and Tamper Switches | Fire Alarms Boston