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STOPPER® II

This unique and patented device has been helping stop false fire alarms around the world for more than 20 years, without restricting legitimate alarms.  It offers excellent protection against physical damage (both accidental and intentional), dust and grime as well as severe environments inside and out.  It is ideal for schools, colleges, hospitals, nursing homes, stores, hotels and public buildings of almost every kind where there is a threat of false fire alarms.

How It Works:

Stopper II consists of a clear, tamper-proof, super-tough polycarbonate shield and frame that fits over manual pull stations.  When lifted to gain access to the actual alarm, it sounds a piercing self-contained 100dB or 120dB warning horn.  Immediate attention is drawn to the area and a prankster will either run or be caught.

STI-1100

FEATURES

• Proven effective for more than 20 years in helping stop false fire alarms without restricting legitimate alarms.

• Weather resistant gaskets available.

• Lifetime guarantee against breakage of polycarbonate housing (one year on electronic components).

• When covering a pull station outside, UL requires stations to be listed for outdoor use with cover.

• Can be used as a guard against physical damage to a manual pull station, with or without the optional warning horn.

• Tested and accepted by fire prevention authorities and approved by testing organizations.

• Cover is UV stabilized against sun deterioration.

• Power source is 9 VDC alkaline battery on standard Stopper II.  (Remote powered unit is available.)

• Optional horn has choice of 100dB or 120dB

• 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.

• Available in red, blue, green or yellow with custom labeling.

• Fits virtually all manual pull stations indoors or out.

• Larger sizes and surface mounted pull stations accommodated with STI-3100 conduit spacer.

• With backplate and gaskets, UL listed to NEMA 3R Standards (IP 14 Rating).

• Polycarbonate tested - 40ºF (-40ºC) to 120ºF (49ºC).

DIMENSIONS AND TECHNICAL INFORMATION

MODELS AVAILABLE

STI-1100

With horn for flush mounting.

Outdoor Use:*

IMPORTANT NOTICE

Stopper II is intended to be used in areas where the incidence of false fire alarms from manual pull stations is high or has proven to be a serious problem.  Any disadvantage of this device is more than balanced when one considers the consequences of fire alarms, especially if fire service personnel and equipment are responding to a false fire alarm when they are needed for a real fire somewhere else.  Add to this the disruption to the facility when false alarms occur.  If you have, or may have, a problem with false fire alarms or physical/weather damage to your fire alarm activation devices, the Stopper II could prove invaluable.

*WARNING:  Relay Contacts on Model STI-1100RC, STI-1130RC, STI-1150RC and STI-1155RC, UL Listing does not permit connection to fire alarm or a life safety function.  The Power Supply for horns, according to UL Listing, cannot be connected to a UL Listed Fire Alarm System.

APPROVALS

It has been tested and approved or listed by:

• Underwrite Laboratories No. 49G2
• Underwriter Laboratories of Canada Issue No. 13960 (STI-1100 only)
• Factory Mutual No. 0G6A2.AY (STI-1100 only)
• State of California (obtain local fire marshal approval)
• NEMA 3R and IP 14 Rating (only for Stopper II models with backplate and gaskets)

PATENTS:

• United States No. 4267549, Canada No. 11478287.

STOPPER II PRICING

(* = Choose a Color)

Model

DESCRIPTION

1+

3+

STI-1100*Color

NOTE:

Above available with custom labeling on red, green, blue or yellow background

STOPPER II ACCESSORIES PRICING

(* = Choose a Color)

Model

DESCRIPTION

1+

3+

STI-3100

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MORE PROTECTIVE COVERS AND BUTTONS

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