Potter Electric Signal ESZ-25S
Potter Electric Signal ESZ-25S
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Potter Electric Signal ESZ-25S — 25 PSI Supervisory Switch
The Potter ESZ-25S is a pressure supervisory switch designed to monitor air pressure levels in dry pipe and pre-action fire sprinkler systems. Factory set to activate at approximately 25 PSI, this switch provides reliable supervisory signaling to the fire alarm control panel when system pressure drops below normal operating levels.
Key Features:
• Factory set at 25 PSI for low air supervisory monitoring
• Designed for use on dry pipe and pre-action sprinkler systems
• SPDT switch contacts for flexible wiring to fire alarm panels
• Rugged metal enclosure for durability in mechanical room environments
• Easy adjustment and installation with standard 1/2 inch NPT connection
• UL Listed and FM Approved for fire protection applications
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