Hoffman Air Valve 401497 77, 1/8" Straight Water Vent Valve

Water Vent Valve
For efficient releasing of air in hydronic heating systems,such as baseboard radiators, convector radiators andsmall heating units
1„8" NPT straight shank
Maximum operating pressure 50 psig (3.5 bar)(Drop away pressure - maximum pressure against which the vent can open)
Maximum temperature 240°F (116°C)