Description
Xylem-Hoffman Specialty Model 76 Vacuum Vent
The Xylem-Hoffman Specialty 401432 is a Model 76 Vacuum Vent engineered for reliable air elimination and vacuum relief in steam and hydronic heating systems. Designed to allow air to escape freely during system startup and prevent vacuum formation during shutdown, this vent helps maintain efficient heat distribution and protects system components from the damaging effects of vacuum lock.
Key Features
- Model 76 Vacuum Vent for steam and hydronic heating applications
- 1/2″ female inlet connection for easy inline installation
- 3/4″ male outlet connection for flexible system integration
- 3 lb (3 PSI) pressure rating for low-pressure steam systems
- Automatically vents air during system fill and startup
- Prevents vacuum formation on system shutdown to protect piping and components
- Compact, durable construction from a trusted Hoffman Specialty design
Specifications
- SKU: 401432
- Model: 76
- Inlet Connection: 1/2″ Female (NPT)
- Outlet Connection: 3/4″ Male (NPT)
- Pressure Rating: 3 lb (3 PSI)
- Application: Steam and hydronic heating systems
- Brand: Xylem-Hoffman Specialty
Application
The Hoffman Specialty Model 76 Vacuum Vent is ideal for use on steam radiators, convectors, and one-pipe or two-pipe steam heating systems. It ensures proper air venting to promote even heat distribution throughout the system while preventing vacuum conditions that can cause water hammer, noisy operation, and premature wear on system components.
