Grundfos 00529912 Union Adapter Set 318820-201 Featuring 5/8-inch discharge and 7/8-inch

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

Built with a 25-square-inch effective diaphragm area

and electrical characteristics align perfectly with the original system design

it allows for seamless replacement of older U

it utilizes advanced PID algorithms to stabilize temperature loops and minimize hunting in valve modulation and fan sequencing

Grundfos 00529912 Union Adapter Set 318820-201 Featuring 5/8-inch discharge and 7/8-inchEnsuring 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