Pentair SuperMax 2.5 HP Diffuser (350170Z) fwenterprises An adapter like this is

An adapter like this is useful because it helps different plumbing formats work together cleanly while preserving the intended serviceable union-style connection

A suction cover like this is useful because it restores the visible protective top of the suction fitting while preserving the original finish and overall appearance of the installation

helping the supported topside remain easier to operate and visually cleaner

allowing the plumbing connection to be tightened

Useful for leaking or damaged wet end repairs

Pentair SuperMax 2.5 HP Diffuser (350170Z) fwenterprises An adapter like this isThis genuine Pentair Pool Products 2. 5 HP diffuser, part 350170Z, helps direct water leaving the impeller inside compatible SuperMax pump wet ends. A damaged or worn diffuser can reduce pump efficiency, increase noise, or contribute to poor hydraulic performance even when the motor is running normally. Replacing the diffuser during a pump service can help restore proper flow characteristics and protect the impeller area from avoidable wear. Match by