STI 1100NR Stopper II with Horn Flush Mount, No Label
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
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Key Features
- Stops costly false fire alarms by securing manual pull stations with an audible deterrent and tamperproof design
- Built-in 105 dB self-contained horn alerts staff when cover is lifted, improving monitoring and response
- Durable, UV-stabilized polycarbonate resists vandalism and harsh environments for reliable long-term protection
- Fits virtually all manual pull stations and is UL/cUL Listed and ADA compliant to simplify code adherence
- Battery-powered, surface-mount design provides easy installation and low maintenance for schools, hospitals, and commercial properties
Quick Specifications
- Product Model
- STI-1100NR
- Brand Name
- Safety Technology International
- Product Line
- Stopper II
- Product Name
- Stopper II with Horn Flush Mount, No Label
Explore the details
Product information
STI-1100NR
Overview
Prevent false alarms and protect your fire alarm points with the Safety Technology International Stopper II protective cover. Engineered for facilities management and security teams, this security cover secures manual pull stations while still allowing legitimate alarms to activate without delay. The flush-mount STI-1100NR features a self-contained 105 dB horn that sounds when the cover is lifted, improving on-site monitoring and deterring intentional or accidental tampering. Constructed from UV-stabilized polycarbonate, the tamperproof cover withstands indoor and outdoor conditions and fits virtually all manual pull stations to simplify deployment across campuses, hospitals, hotels, and retail environments. UL/cUL Listing and ADA compliance help you meet regulatory requirements, while battery operation reduces wiring complexity for quick retrofits. Use the Stopper II to reduce false alarm expenses, protect critical alarm devices, and strengthen your overall security and surveillance strategy. Ideal for building managers and safety directors who need a durable, code-compliant solution—order the STI 1100NR Stopper II today or contact your distributor to specify it for your next safety upgrade.
Features
- Stops costly false fire alarms by securing manual pull stations with an audible deterrent and tamperproof design
- Built-in 105 dB self-contained horn alerts staff when cover is lifted, improving monitoring and response
- Durable, UV-stabilized polycarbonate resists vandalism and harsh environments for reliable long-term protection
- Fits virtually all manual pull stations and is UL/cUL Listed and ADA compliant to simplify code adherence
- Battery-powered, surface-mount design provides easy installation and low maintenance for schools, hospitals, and commercial properties
| General Information | |
|---|---|
| Brand Name | Safety Technology International |
| Manufacturer | Safety Technology International, Inc |
| Product Line | Stopper II |
| Product Name | Stopper II with Horn Flush Mount, No Label |
| Product Type | Security Cover |
| Product Model | STI-1100NR |
| Product Series | STI-1100 |
| Application/Usage | Building, College, Hospital, Hotel, Nursing Home, School, Store |
| Country of Origin | US |
| Manufacturer Part Number | STI-1100NR |
| Technical Information | |
| Alarm Type | Audible |
| Device Supported | Fire Alarm |
| Environmental Conditions | |
| Sound Emission | 105dB |
| Physical Characteristics | |
| Color | Red |
| Depth | 3.20" |
| Width | 5.00" |
| Height | 6.20" |
| Material | PC |
| Durability | Tamperproof |
| Form Factor | Surface Mount |
| Power Description | |
| Power Source | Battery |
| Product Information | |
| Mount Type | Surface Mount |
| Warranty | |
| Limited Warranty | 3-Year |
| Miscellaneous | |
| Features | Flush Mount, UV-stabilized |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- STI-1100NR
- Manufacturer part:
- STI-1100NR
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsSTI 1100NR Stopper II with Horn Flush Mount, No Label
STI-1100NR