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 complete rubber parts kit provides all the parts necessary to repair or replace the rubber parts on a 6 inch double check valve assembly backflow preventer, model 709. This kit consist of two disc and two cover O-rings.
Complete Rubber Parts Kit for 6 IN Double Check Valve Assembly 709