Webstone Company Showroom

Webstone has done it again with a unique valve system designed to save labor and aid in the maintenance of all hydronic systems.

As your customers know, to achieve peak performance, hydronic systems should be periodically flushed with a de-scaling/cleaning solution in order to eliminate any contaminant or scale build up. Until now, this was done by draining the system, flushing it with solution, draining the solution and refilling the system with new fluid, typically glycol antifreeze. Contractors would accomplish this by plumbing an assembly consisting of two boiler drains, two tees, two close nipples, and a ball valve. Though functional, this method is far from ideal; requiring several connections, each of which takes time and poses a potential leak path.

Today, Webstone offers a single product that completes this process in just one step.

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The New Pro-Pal Purge & Fill is a 7-in-1 valve assembly consisting of a main ball and two hi-flow hose drains that serve as purging and filling connections. When the main ball is closed, and the purge and filling valves are opened, new fluid may be introduced through one of the hose connections. Doing so displaces the old fluid in the system by flowing through the system and out the second hose drain. Any hydronic system can now be easily emptied and filled from one spot in a fraction of the time. What was formerly a two-step process can now be completed in one easy single step — with a valve that installs more quickly and with fewer leak paths than the current fabricated method.

This full port, forged brass valve can be used in a wide variety of heating systems, including solar applications near the expansion tank or to maintain the primary or peripheral circuits of any hydronic system.

Purge & Fill

  • One piece valve replaces 7 individual components
  • Eliminates 6 leak paths
  • Saves nearly an hour of labor
  • Available in IPS, sizes 3/4” – 1 ½”
  • Guaranteed for Life
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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; The Isolator, Isolator EXP and Pro-Pal step saving valves.

For more information, please contact us at:
One Appian Way
Worcester, Massachusetts 01610
Phone: (800) 225-9529
Fax: (800) 336-5133
Email: info@webstonevalves.com
Web Address: www.webstonevalves.com

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