Maintains circulation through an expansion vessel Prevents stagnation DZR brass material Easy to install Integrated ball valve and drain valve for easy servicing and maintenance For use on any standard vessel with 1/2", 3/4", 1" or 1 1/4" connection Isolating lever features locking function Compatible with copper pipe Suitable for cold water use only Manufacturer Stock Code:ANTI110004 EAN Code:5036124183508 Sub-Category:Anti-Legionella Valve Brand:RWC Diameter (Inches):1.25 Category:Brassware