Patent ID: 9290397
Filing Date: 2016-03-22
CPC Classification: C02F

Claim Text:
1. An aeration control valve system for use with a water treatment tank, the aeration control valve system 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 passage fluidly coupled to the first tank passage and configured to allow air to pass to and from the first tank passage such that air release and air intake is provided through a single connection to the air passage; a drain outlet passage configured to direct water from the water treatment tank to a drain; an air intake inlet fluidly coupled to the air passage and configured to supply air to the air passage; an air release outlet fluidly connected to the air passage and configured to release air from the air passage; 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 an air valve configured to allow air to be released from the water treatment tank into the air passage to the air release outlet.