Taco 426-3 Hy-Vent Automatic Air Vent 1/4" NPT

The Taco 426-3 Hy-Vent is an automatic air vent designed to purge unwanted air from hydronic heating systems, keeping them running efficiently and quietly by eliminating trapped air that leads to disruptive noise and lost heat energy. This model features a 1/4" NPT threaded connection and utilizes a bubble-breaker design for reliable air elimination.

Key Features:

• High-capacity float-style vent can be installed on the boiler or at high points throughout the system
• Brass body with nickel-plated finish for durability and corrosion resistance
• Maximum working pressure of 150 PSI and maximum temperature rating of 240°F
• Easily serviceable by simply unscrewing the vent cap if maintenance is needed
• Compact dimensions: 3-3/16" height x 1-13/16" diameter
• Weighs 0.56 lbs

The Taco Hy-Vent has become the industry standard for dependable long-life service in hydronic heating applications. Ideal for residential and light commercial hot water heating systems, baseboards, radiators, and boiler installations.