Grundfos 00529912 Union Adapter Set 318820-201 the brass bar body and

the brass bar body and stainless steel diaphragm offer the durability needed for high-demand environments

Featuring 5/8-inch discharge and 7/8-inch suction connections

Common Questions When should I replace the S1-400288 filter drier

long-term performance in demanding mechanical rooms

Grundfos 00529912 Union Adapter Set 318820-201 the brass bar body andEnsuring a secure, leak free connection for hydronic systems requires the right metallurgy and precision threading. This Grundfos 00529912 Union Adapter Set is specifically engineered for bronze pump housings used in open loop domestic hot water recirculation and radiant heating applications. The 3 4" NPT female connection provides a standard interface for rigid copper or PEX piping, while the union design allows for rapid pump isolation and removal