Grundfos 00529912 Union Adapter Set 321894-708 and 2250 models

and 2250 models

Enhanced System Safety: Employs close on fall logic to verify proper draft before allowing the gas valve to energize

Common Questions What are the exact trip points for this switch

Why is my air handler blowing cold air after installation

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

Grundfos 00529912 Union Adapter Set 321894-708 and 2250 modelsEnsuring 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