The Simplex 4905-9842 Alert VO Cover is a critical replacement component designed for commercial fire alarm notification appliance installations, specifically engineered to provide robust protection and aesthetic integration for voice/visual alarm devices. This white cover supports seamless retrofit and maintenance of existing fire alarm notification systems across complex commercial and industrial environments.
Precision-manufactured for Simplex addressable notification platforms, this replacement cover ensures optimal performance and compatibility with standard wall-mounted voice/visual alarm stations. Professional installers will appreciate its engineered design that maintains the integrity of existing fire alarm communication infrastructure while providing a clean, professional appearance in high-traffic facility spaces.
Key Features
- Direct replacement for standard Simplex voice/visual notification device covers
- Compatible with commercial addressable fire alarm panel configurations
- Molded from high-durability thermoplastic with UV-resistant white finish
- Precision-engineered mounting points for consistent, secure installation
- Meets stringent fire safety ratings per NFPA 72 and UL 464 standards
- Designed for seamless integration with existing Simplex notification appliances
Typical Installation Contexts
- Commercial office complexes
- Healthcare facilities
- Educational institutions
- Industrial manufacturing environments
- Retail and hospitality spaces
Specifications
Material: High-impact thermoplastic
Color: White
Compatibility: Simplex addressable notification appliance systems
Mounting: Standard wall-mount configuration
Professional fire alarm technicians and facilities managers will recognize this component as a critical element in maintaining comprehensive life safety communication infrastructure. The 4905-9842 Alert VO Cover represents Simplex’s commitment to reliable, standards-compliant fire alarm notification system components.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.1 lbs |
|---|---|
| Dimensions | 5.5 × 5 × 1.3 in |
| Condition | New |
| Manufacturers | Simplex |
| Part Type | Replacement Part |






