Xylem 401432 Hoffman 76 Vacuum Vent Valve 1/2" x 3/4" NPT 3 PSI

The Xylem 401432 Hoffman Model 76 Vacuum Vent is a float-type thermostatic vent designed for medium and large one-pipe vacuum steam heating systems. This essential component helps remove unwanted air from low-pressure systems, preventing air-bound conditions and maximizing heating efficiency and circulation.

Key Features:

• Float-type thermostatic vent design for reliable air removal
• Single non-adjustable port for consistent performance
• Dual connection options: 1/2" NPT female and 3/4" NPT male straight shank
• Maximum operating pressure of 3 PSIG (0.2 bar)
• Maximum pressure rating of 15 PSIG (1.0 bar)
• Maximum temperature rating of 240°F
• Steel construction for durability in steam applications

Installation Requirements:

• Must be installed 6-10 inches above horizontal return line
• Install 18 inches above boiler water line
• Designed for medium and large one-pipe vacuum systems

Hoffman Specialty, a trusted Xylem brand, manufactures a comprehensive range of steam and hydronic heating system components including steam traps, valves, and vacuum breakers for both residential and commercial applications.