Xylem 401422 Hoffman Specialty 1A Adjustable Angle Steam Vent 1/8" NPT 1.5 PSI

The Xylem-Hoffman Specialty 401422 Model 1A is a float-type adjustable radiator steam vent designed for residential and commercial steam heating systems. This non-vacuum air valve features a 1/8" male NPT angle connection and operates at a maximum opening pressure of 1.5 PSI, with a maximum pressure rating of 10 PSI.

Key Features:

• Adjustable port with 6 proportional venting settings from slow (1) to fast (6) for precise air release control
• Float-type operation ensures reliable performance in steam radiators, convectors, and unit heaters
• 1/8" NPT angle connection for easy installation
• Maximum operating pressure: 1.5 PSI opening pressure, 10 PSI maximum
• Durable steel construction for long-lasting performance
• Improves system efficiency and reduces energy consumption through balanced heating

This adjustable steam vent allows you to control the rate of air release from your steam radiators, ensuring even heat distribution throughout your system. The six-position adjustment dial provides flexibility to optimize venting speed based on radiator location and system requirements. Ideal for retrofit or replacement applications in both residential and commercial steam heating installations.