The Potter Electric Signal VSG-4 4-inch low flow water motor alarm is a critical component for commercial fire protection systems, engineered to provide reliable water flow indication in complex fire suppression infrastructures. Designed for seamless integration with addressable fire alarm panels and commercial sprinkler networks, this precision-manufactured water motor delivers consistent performance across diverse building environments.
Engineered to meet stringent NFPA 72 National Fire Alarm and Signaling Code requirements, the VSG-4 provides accurate water flow detection with a low 3 gallon per minute (gpm) activation threshold. Its robust construction ensures dependable operation in high-stakes commercial applications, including office complexes, healthcare facilities, educational institutions, and industrial manufacturing settings.
Key Features
- Low flow sensitivity at 3 gpm for precise water movement detection
- Compatible with standard addressable fire alarm control panels
- Durable construction suitable for commercial and industrial environments
- Meets NFPA 72 and UL 260 water motor alarm standards
- Compact 4-inch design for streamlined installation in constrained mechanical spaces
- Corrosion-resistant materials for extended operational reliability
Specifications
- Flow Rate: 3 gallons per minute (minimum activation)
- Size: 4-inch diameter
- Material: Corrosion-resistant alloy
- Mounting: Vertical or horizontal pipe installation
Professional installers and facilities managers rely on the VSG-4’s precision engineering to ensure comprehensive fire protection monitoring. Ideal for retrofit projects and new construction, this water motor alarm provides a critical interface between sprinkler system hydraulics and fire alarm reporting networks.
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 | 10 × 8 × 7 in |
| Condition | New |
| Manufacturers | Life Safety |
| Part Type | Replacement Part |







