Hoffman 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 and small 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)