The STI-1331 Universal Stopper Spacer is a critical mounting component designed for fire alarm pull station installations in commercial and institutional environments. Engineered by Safety Technology International (STI), this 1.5″ (37mm) spacer provides precise alignment and mounting depth for pull station enclosures across multiple architectural configurations and electrical box types.
Constructed from high-durability thermoplastic materials, the Universal Stopper Spacer enables consistent and code-compliant pull station mounting in scenarios involving recessed electrical boxes, surface-mounted installations, or non-standard wall penetrations. Fire alarm technicians and contractors rely on this component to ensure proper pull station positioning, electrical box clearance, and seamless integration with existing fire alarm infrastructure.
Key Features
- Universal compatibility with multiple pull station models and electrical box configurations
- Precision-engineered 1.5″ (37mm) spacer design for consistent mounting depth
- Durable thermoplastic construction resists environmental degradation
- Compliant with NFPA 72 fire alarm mounting requirements
- Facilitates clean, professional installation in commercial, institutional, and industrial settings
- Compatible with addressable and conventional fire alarm panel systems
Specifications
- Material: High-impact thermoplastic
- Color: Neutral/standard electrical box gray
- Thickness: 1.5″ (37mm)
- Compatible Standards: NFPA 72, UL 268, UL 464
Typical installation contexts include commercial office complexes, educational facilities, healthcare environments, industrial manufacturing plants, and multi-tenant residential buildings requiring standardized fire alarm pull station mounting. The STI-1331 Universal Stopper Spacer ensures reliable, code-compliant positioning across diverse architectural configurations.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.9 lbs |
|---|---|
| Dimensions | 12 × 6 × 7 in |
| Condition | New |
| Manufacturers | STI |
| Part Type | Pull Station Cover |
| Key Features | Search page, STI Global (Americas) Safety Technology InternationalCompareMy ListProductsFire Products, Alarms, Buttons &, Switches, Enclosures &, Covers, Wire Cages, Wireless Products, Build It Configurators |
| Dimensions | 1200×630. |
