The Weather Stopper® cover has helped stop false fire alarms around the world for decades and does not restrict legitimate alarms while in use. The Weather Stopper® is ideal for schools, hospitals, nursing homes, stores, hotels and most public buildings. Please follow UL standards when installing the device.
Key Features
DESIGN
DESIGN
- Larger sizes and surface mounted pull stations accommodated with STI-3100 conduit spacer.
- Weather models have closed cell gaskets.
- The Stopper II design is a registered trademark of STI.
CONSTRUCTION
CONSTRUCTION
- Consists of a clear, tamperproof, tough polycarbonate shield, frame and gaskets.
- UL Listed to U.S. and Canadian safety standards (also for custom labeling).
INSTALLATION
INSTALLATION
- When covering a pull station outside, UL requires stations to be listed for outdoor use.
- Typical working properties of polycarbonate are -40° to 250°F (-40° to 121°C).
ELECTRONICS
ELECTRONICS
- Power source is a 9V DC alkaline battery included on standard Stopper II® (remote powered unit available).
- “RC” models include one Form “C” dry relay contact & are capable of operating from 9-24V DC remote power or 9V DC battery power.
OPTIONS
OPTIONS
- Optional horn has a choice of 95/105 dB at one foot.
- Standard red units have “In Case of Fire...” label unless specified with “no label” or “custom label” (extra charge for custom label).
- Horn housing is available in red, blue, green or yellow with optional custom labeling.
OTHER FEATURES
OTHER FEATURES
- Proven effective for more than 35 years in helping stop false fire alarms without restricting legitimate alarms.
- Designed for outdoor use.
- Three year guarantee against breakage of polycarbonate in normal use.
MEDIA
Product Models
STI-1150
Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), Fire LabelFeatures: 
Colors:
Dimensions:6.2 in H x 5 in W x 3.2 in D
STI-1150-ES
Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), Spanish LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 3.2 in D
STI-1150-FR
Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), French LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 3.2 in D
STI-1150CR
Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), Custom LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 3.2 in D
STI-1150NR
Stopper II® with Horn Flush Mount (Indoor/Outdoor Rated), No LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 3.2 in D
STI-1155
Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), Fire LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 5.2 in D
STI-1155-ES
Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), Spanish LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 5.2 in D
STI-1155-FR
Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), French LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 5.2 in D
STI-1155CR
Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), Custom LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 5.2 in D
STI-1155NR
Stopper II® with Horn and Spacer (Indoor/Outdoor Rated), No LabelFeatures:
Colors:
Dimensions:6.2 in H x 5 in W x 5.2 in D
STI-1250
Weather Stopper® without Horn Flush Mount, Fire LabelFeatures:
Colors:
Dimensions:7 in H x 5 in W x 3.2 in D
STI-1250-ES
Weather Stopper® sin Sirena Para Montaje a Ras, EspañolFeatures:
Colors:
Dimensions:7 in H x 5 in W x 3.2 in D
