Waterco 2" Half Union w/O-Ring [1-1/2" Slip Trimline] (122257BLK) suctions and R185B heater applications where

and R185B heater applications where the supported user-adjustment control needs replacement

Maintains proper connection without improvised adapters

Improves valve confidence and repair quality

This part has practical value because the double-spigot format helps preserve intended connection compatibility in supported installations

helping restore heating performance while preserving the structural details the original setup depended on

Waterco 2" Half Union w/O-Ring [1-1/2" Slip Trimline] (122257BLK) suctions and R185B heater applications whereThe Waterco 2 inch half union with O ring for 1 1 2 inch slip Trimline applications is designed for compatible plumbing systems where the union side of the connection needs the correct model specific replacement. A half union is useful because it provides a service friendly connection point that can be separated without cutting the plumbing apart. This replacement is especially useful when the original fitting is damaged, worn, or no longer sealing