Grundfos 00529912 Union Adapter Set 321894-708 Its modified linear flow characteristic

Its modified linear flow characteristic allows for stable modulation in chilled water

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Grundfos 00529912 Union Adapter Set 321894-708 Its modified linear flow characteristicEnsuring 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