Grundfos 00529912 Union Adapter Set 321894-708 The Tecumseh K71-13 Relay Kit

The Tecumseh K71-13 Relay Kit is a critical electrical service component engineered for CSIR (Capacitor Start Induction Run) applications

Rugged Construction: Features a corrosion-resistant forged brass body with stainless steel internal components

preventing overheating during high-load cycles

Direct OEM Fit: Ensures exact physical dimensions and electrical compatibility for Trane MOT17560 Blower Motor replacement

Why is my air handler blowing cold air after installation

Grundfos 00529912 Union Adapter Set 321894-708 The Tecumseh K71-13 Relay KitEnsuring 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