The STI Stopper II Pull Station Cover with integrated horn represents a critical safeguard for protecting manual fire alarm activation points in high-traffic commercial environments. Engineered for flush-mount installation, this polycarbonate protective enclosure shields pull stations from accidental activation, vandalism, and environmental damage while maintaining immediate accessibility during emergency scenarios.
Designed for comprehensive fire alarm system integration, the STI-1100CP6 six-pack provides facilities managers and contractors a cost-effective solution for comprehensive pull station protection across multiple zones. The transparent, impact-resistant cover allows visual identification of the underlying pull station while deterring unauthorized or inadvertent activation through its robust mechanical barrier.
Key Features
- NFPA 72 compliant polycarbonate construction with integrated audible horn
- Flush-mount design eliminates spacer requirements for streamlined installation
- User-activated reset mechanism permits quick alarm acknowledgment
- Compatible with addressable and conventional fire alarm control panels
- Tamper-resistant locking mechanism prevents unauthorized access
- Suitable for commercial, institutional, and industrial applications
Specifications
- Material: High-impact polycarbonate
- Mounting: Flush mount (no spacer required)
- Quantity: 6-pack
- Compliance: UL 464, UL 38, NFPA 72
Ideal installation environments include office complexes, educational facilities, healthcare institutions, manufacturing plants, and multi-story commercial buildings where protecting manual fire alarm activation points is critical for life safety protocols.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 4 lbs |
|---|---|
| Dimensions | 7.2 × 10.2 × 3.3 in |
| Condition | New |
| Cross Reference | STI-1100 |
| Part Type | Pull Station Cover |
| Material | Polycarbonate |
| Horn | Yes |
| Mount | Flush (no spacer) |
| Pack | 6 |
| Brand | STI |











