STI 4100 Break Glass Stopper







Accepted by fire marshals, this cover is designed for areas where a "break glass" cover is specified, such as unsupervised areas. It consists of a red polycarbonate cover, mounting frame, a pane of single-strength clear glass (easily replaced when broken), a glass-breaking bar and anchors for installation.

Local fire marshal approval should be obtained prior to installation.


  • Housing is molded of super tough polycarbonate and is UV-stabilized.
  • Fire alarm remains clearly visible and accessible.
  • Fast and easy installation.
  • Simple glass replacement.
  • Accepted by many fire marshals.
  • Three year guarantee on polycarbonate housing against breakage and damage in normal use.
  • Fits virtually all manual pull stations (see Technical Data Sheet for dimensions)
  • Typical working properties of polycarbonate are -40° to 250°F (-40° to 121°C).
  • Gasket available to improve weather resistance
  • Model: STI4100
  • 9 Units in Stock
  • Manufactured by: STI Safety Technology Int'l

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