On July 8, 2014 Webstone, was issued a U.S. patent for its Pro-Pal® Primary/Secondary Purge Tee™ and Pro-Pal® Purge & Fill™ valve systems. Documentation has been filed to include worldwide patent rights for these products. Pro-Pal® Step Saving Valves for Professionals are designed to save time, eliminate components and minimize leak paths and are all backed by a lifetime warranty. Founded in 1954, Webstone is recognized as an industry leader for innovative design of residential and commercial valves used in plumbing, hydronic, radiant, solar and geothermal applications. These designs focus on time and space saving concepts that simplify future maintenance and upkeep of all piping systems. Some of Webstone’s trademarked and patented items include; Hydro-Core™, The Isolator®, Isolator EXP™, Pro-Connect™, and Pro-Pal® Step Saving Valves.