Welcome to the New Keller Supply Website - Â Our new website is now live. Enjoy improved product search, enhanced navigation, and an upgraded online experience. We welcome your feedback as you explore the new site.
This 3/4-1 IN cover replacement kit for series 009 is used for repairing the cover to the relief valve to prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of a cover and cover O-ring.