Patent ID: 8691091

Claim:
An aeration control valve system comprising: a valve assembly configured to be coupled to a water treatment tank, the valve assembly comprising: a supply water inlet passage configured to receive water from a water supply; a service water outlet passage configured to direct water to a service water system; first and second tank passages configured to direct water in to or out of the water treatment tank; an air inlet passage configured to receive air; a drain outlet passage configured to direct water from the water treatment tank to a drain; and a valve cycle actuator configured to provide fluid connections between the passages based on different positions of the valve cycle actuator during different operation cycles; and wherein the valve cycle actuator is configured, during an air release cycle, to provide a fluid connection between the supply water inlet passage and the first tank passage to allow water to be supplied to the water treatment tank, to provide a fluid connection between the second tank passage and the service water outlet passage to allow treated water to flow from the water treatment tank to the service water system, and to provide a fluid connection between the first tank passage and the drain outlet passage to allow air to release from the water treatment tank to the drain.