Xylem-Bell & Gossett P49372 Impeller Key

The Xylem-Bell & Gossett P49372 Impeller Key is a power transmission component used in hydraulic pumping systems to secure the impeller to the pump shaft in HVAC systems. It helps maintain proper torque transfer between the motor shaft and impeller during pump operation. It is used in chilled water, hot water, and hydronic applications. It operates as a locking interface that prevents impeller slippage, supports stable fluid circulation, and helps maintain reliable pump performance during continuous operation of the system.