Waterway SMF Impeller Assy [2hp] (310-7530) plugs 2-1/2 inch union x 2

2-1/2 inch union x 2 inch slip connection

0 THP applications where the original diffuser has become worn

This type of replacement is especially useful when the filter housing remains serviceable and the cartridge itself is the main wear component

Because control boards are model-specific components

Wet end for compatible Balboa Dura Jet 2

Waterway SMF Impeller Assy [2hp] (310-7530) plugs 2-1/2 inch union x 2Waterway SMF Impeller Assy [2hp] is a genuine style replacement component from Waterway Plastics designed to support pump water movement, hydraulic efficiency, and dependable circulation. For pool and spa equipment repairs, small parts like this can make a meaningful difference in how well the system seals, fits, and operates after service. Impellers are model and horsepower specific, so replacing the part with the correct Waterway assembly is