The STI-1150 Weather Stopper II Pull Station Cover is a critical protective enclosure designed for exterior and high-exposure fire alarm pull stations in commercial and industrial environments. Engineered to withstand harsh environmental conditions while maintaining full fire alarm system functionality, this flush-mount cover provides robust protection for manual pull stations installed in challenging outdoor or exposed interior locations.
Purpose-built for fire alarm professionals who require reliable environmental protection, the Weather Stopper II offers a comprehensive solution for maintaining pull station integrity in areas exposed to moisture, dust, impact, and potential tampering. Its integrated design ensures that emergency pull stations remain fully operational and accessible while being shielded from environmental degradation.
Key Features
- Weatherproof polycarbonate construction with IP-rated protection against dust and water ingress
- Integrated mechanical horn provides local audible alarm activation notification
- Flush mount design compatible with standard single-gang electrical boxes and most commercial pull station models
- Tamper-resistant transparent cover allows clear visual verification of pull station status
- Includes mounting hardware and spacer for precise installation alignment
- Meets NFPA 72 fire alarm system installation requirements and UL 464 standards for audible signaling devices
Specifications
- Material: High-impact polycarbonate
- Color: Clear with red frame
- Mounting: Flush mount, single-gang compatible
- Environmental Rating: Suitable for indoor/outdoor applications
- Compliance: NFPA 72, UL 464
Ideal for commercial facilities including healthcare campuses, educational institutions, manufacturing plants, warehouse complexes, and multi-story office buildings where reliable fire alarm system protection is critical. Compatible with addressable and conventional fire alarm control panels from major manufacturers.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 1.6 lbs |
|---|---|
| Dimensions | 7.2 × 10.2 × 3.3 in |
| Condition | New |
| Specification | Weatherproof, with horn, spacer, outdoor-rated, polycarbonate |
| Part Type | Pull Station Cover |











