Welcome to the New Keller Supply Website - Ā 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 test cock kit designed to fit 2 1/2 to 4 inch Colt(TM) and Maxim(TM) series. It is used with backflow preventers or as an isolation valve for gauges or small equipment lines. It has a full port ball valve and a screwdriver slot to open and close.