CMP Spa Master Massage Jet Internal [1-1/2", Ribbed] [White] (23315-240-000) fwenterprises A diffuser like this is

A diffuser like this is useful because it helps shape internal water movement around the impeller area

and model references before ordering

The SPX2800AA is a practical replacement for compatible Hayward pump systems that need renewed housing support and cleaner operational reliability

Hayward OEM pump

CMP Spa Master Massage Jet Internal [1-1/2", Ribbed] [White] (23315-240-000) fwenterprises A diffuser like this isWhen repairing pool or spa equipment, small dimensional differences can create leaks, poor seating, or extra downtime; this spa jet internal gives technicians and homeowners a clearly identified option to compare against the existing part. It is used within a spa or pool jet assembly where water movement, directional feel, face style, and matching finish matter for both performance and appearance. Key identifying details from the listing include 1 1