TACO-AV-01, Taco Air Vent, 1/8" (400-4), 400-4

Taco Hy-Vent® Air Vents are simple, easy to use and install and compatible with any heating system. For best performance, use them in combination with Taco Air Scoops, which feature a 1/8" outlet on top. The vents are easily serviceable by just unscrewing the vent cap. Taco Hy-Vents are available in a variety of styles including the Slim-Line Hy-Vent and High Pressure Hy-Vent. With threaded connection, 1/4", and operating pressure ratings up to 150 psi, these brass-body, nickel-plated vents meet the system requirements of even your largest installations.