Taco 400-4 1/8-Inch-NPT Float Air Hy-Vent
The high-capacity, float-style vent can be placed either on the boiler or at the high points throughout the system. With threaded connections--.125-Inch. 0.25-Inch, 0.5-Inch and 0.75-Inch --and operating pressure ratings up to 250 psi, these brass-body, nickel-plated vents meet the system requirements of even your largest installations.