Safety Technology International STI-3104


Conduit Spacer for 3/4″ Rigid Pipe

Availability: Please Call for Lead Time

  • Factory New
Brand: Safety Technology International Part #: 10561 Category: Manufacturer Part #: STI-3104


2” conduit spacer with 1⁄2” or 3⁄4” conduit entry (includes one 3⁄4” conduit entry gasket).


Weight 1.00 lbs



  • Proven effective for more than 30 years to help stop false fire alarms without restricting legitimate alarms.
  • Can be used as a guard against physical damage to a manual pull station, with or without the optional warning horn.
  • Optional horn has a choice of 95 or 105 dB at one foot.
  • Standard red units have “In Case of Fire…” label unless specified with “no label” or “custom label” (extra chargefor custom label).
  • Horn housing is available in red, blue, green or yellow with optional custom labeling.
  • When covering a pull station outside, UL requires stations to be listed for outdoor use.
  • Larger sizes and surface mounted pull stations accommodated with STI-3100 conduit spacer.
  • Weather models have closed cell gaskets.


STI Stopper II
Safety Technology International – Data Sheet