Description
The Xylem-Hoffman Specialty 401475 is a Series #508 Water and Steam Vent designed for reliable air elimination in hydronic heating and steam distribution systems. Engineered to handle operating pressures up to 50 PSI, this vent features a compact 1/8″ pipe connection that makes it easy to install in tight spaces on boilers, radiators, and steam lines.
Hoffman Specialty has long been a trusted name in hydronic and steam system components, and the Series #508 vent continues that tradition of dependable performance. By automatically releasing trapped air from water and steam lines, this vent helps maintain system efficiency, prevent air locks, and ensure consistent heat distribution throughout the system.
Key Features
- Rated for operating pressures up to 50 PSI
- 1/8″ pipe connection for easy installation
- Series #508 design for water and steam applications
- Compact form factor suitable for radiators, boilers, and steam mains
- Automatic air venting to prevent air locks and maintain system efficiency
- Manufactured by Xylem-Hoffman Specialty, a trusted name in hydronic and steam components
Applications
- Residential and commercial hydronic heating systems
- Steam radiator and distribution systems
- Boiler air venting
- Steam mains and branch lines
Specifications
- SKU: 401475
- Series: #508
- Maximum Operating Pressure: 50 PSI
- Connection Size: 1/8″
- Media: Water / Steam
- Brand: Xylem-Hoffman Specialty







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