Watts Regulator Automatic Air Vent Valve Mini and particulate matter

and particulate matter

It effectively seals around a variety of roof fixtures without the messy look of asphalt

drill guide

yet attractive look

Watts Regulator Automatic Air Vent Valve Mini and particulate matterProvides automatic air venting for (hydronic) hot or cold water distribution systems. These vents purge air that may be in the water system. The vent valve utilizes a float to actuate the valve plug which is located at the top of the valve. Once the air is displaced and the system pressure is sustained, the valve plug seals and prevents any water from escaping from the system. Brass body and cover with rubber seal. High temperature resistant. Suitable