Hayward Diffuser, 2-1/2 HP and 3 HP | SPX3021B Jack's Magic Closes an opening or service

Closes an opening or service port

If your heater is showing inaccurate temperature readings

The grate sits in the drain opening to allow water entry while acting as a protective surface

Durable and Lightweight Frames: Ensures long-lasting use while being easy to move around your outdoor space

It helps bring the control area back to proper alignment and enclosure after damage from weather

Hayward Diffuser, 2-1/2 HP and 3 HP | SPX3021B Jack's Magic Closes an opening or serviceWhat This Part Is Used For The Hayward SPX3021B is a diffuser used in compatible 2 1 2 HP and 3 HP pump models. It surrounds the impeller inside the wet end and directs water into the pump housing. This component manages internal water flow. Why This Part Matters A cracked or warped diffuser can reduce efficiency and lower system pressure. Poor internal flow control may affect heater performance and filtration. Replacing a worn diffuser restores