Stopper II® Series Covers

Helps prevent false fire alarms

This unique manual station cover has helped prevent false fire alarms worldwide for over 40 years without restricting legitimate operation of the devices. Ideal for schools, universities, hospitals, nursing homes, hotels and all public buildings, The fire alarm cover helps stop false activation where there is a history or threat of misuse.

General Features Stopper II® Series

• Super resistant polycarbonate protective cover.
• Helps stop false alarms.
• 95 or 105 dB warning horn (check compatible model).
• UL/cUL Listed, ADA compliant.
• When covering a manual station outside, UL requires that stations be listed for outdoor use.
• Typical working properties of polycarbonate are -40 to 121ºC.
• Standard red units are labeled “In case of fire”, unless specified with NR (no label) or CR (custom label).
• Proven effective for over 40 years to help stop false fire alarms.
• Three-year warranty against polycarbonate breakage in normal use (one year on electromechanical and electronic components).

STI-1100 Cover Features

• Self-contained 95 or 105 dB warning horn activates when cover is lifted. (9V battery)
• Flush mount.
• Dimensions: 6.2" (158 mm) height x 5" (127 mm) width x 5.2" (132 mm) depth.

StopperII® deck alarm activation

StopperII® deck battery replacement