A new edition of Webstone Valve’s Hydro-Core Boiler Compatibility Matrix is available online. Hydro-Core Complete Near Boiler Piping kits are available to fit about 200 boilers from 20 different manufacturers. Utilize this matrix to find the right Hydro-Core kit for a specific boiler and save more than four hours on the next installation. It is designed specifically for hydraulic separation, pump isolation, and purging the near boiler piping or secondary circuit loops.