Fisher 3990 Atmospheric Vacuum Breaker – Ledge Mount
This Fisher 3990 atmospheric vacuum breaker is designed for ledge-mounted installations and helps prevent backsiphonage in commercial plumbing systems.
Engineered for eco-conscious performance, this unit provides reliable protection of potable water supplies while supporting efficient water usage in foodservice and commercial environments.
- Atmospheric vacuum breaker for backflow prevention
- Ledge-mounted design for secure installation
- Helps prevent backsiphonage in potable water systems
- Designed for commercial and foodservice applications
- Eco-friendly design for efficient water usage
About Fisher Manufacturing
Fisher Manufacturing produces durable, high-performance commercial plumbing products designed for the foodservice industry. Their solutions are built for reliability, efficiency, and long-term use in demanding environments.