Pentair Air Relief Strainer, 304 Stainless Steel Mesh | 172855 Square Fire & Water Bowl It connects the vessel wall

It connects the vessel wall to internal plumbing feeding circulation pumps

Technicians replace diffusers during pump rebuilds when inspecting impeller wear or diagnosing low flow issues

This commitment helps maintain efficient spa systems season after season

Using a genuine OEM interface board helps preserve manufacturer performance standards and avoids the risks associated with aftermarket replacements

Low Maintenance: Develops a protective patina over time

Pentair Air Relief Strainer, 304 Stainless Steel Mesh | 172855 Square Fire & Water Bowl It connects the vessel wallWhat This Part Is Used For Pentair 172855 Strainer Air Relief 304 Stainless Steel Mesh is a replacement air relief strainer for compatible Pentair filter assemblies. It features a stainless steel mesh design for debris capture. Why This Part Matters A clogged or damaged strainer can interfere with proper air release. Replacing it restores reliable venting and pressure control. Stainless steel mesh supports durability in pool environments. Key Features