Vent-O-Mat offers effective air release vacuum protection and surge alleviation for water, sewage, and effluent pipelines. Vent-O-Mat’s distinguished line of air release valves are unsurpassed for performance and durability.

The First Integral Anti-Shock Air Release Valve for Surge Control

Vent-O-Mat is on the cutting edge of air valve design technology. This premium air release valve outperforms the competition: in addition to its air valve functions, it successfully assists in the elimination of surge and water hammer as a standard and automatic function.