STI Stopper II Pull Station Cover w/Horn, Indoor Use, Flush Mount

STI Stopper II Pull Station Cover w/Horn, Indoor Use, Flush Mount

Code: STI-1100
Quantity in Basket: 
Shipping Weight: 
1.50 pounds


  • Hold units approx 5W x 5.5H x 3D in
  • Proven effective for almost 30 years in helping stop false fire alarms without restricting legitimate alarms.
  • Lifetime guarantee against breakage of the polycarbonate housing in normal use (one year on electronic components).
  • Can be used as a guard against physical damage to a manual pull station, with or without the optional warning horn.
  • Horn has choice of 95 dB or 105 dB at one foot which sounds when cover is lifted sending a warning
  • Cover is UV-stabilized.
  • Standard red units have "In Case of Fire..." label
  • UL Listed to U.S. and Canadian safety standards
  • Larger sizes and surface mounted pull stations accommodated with STI-3100 conduit spacer.
  • Polycarbonate rated -40 to 120F (-40 to 49C).
  • Power source is 9 VDC alkaline battery included on standard Stopper II (remote powered unit is available).
  • Not just for pull stations, this cover can also help protect other devices such as EPO's, call boxes, telephones and emergency shutdowns just by changing the color and messaging.
  • With backplate and gaskets, UL Listed to NEMA 3R Standards.

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