Pentair Wall Brush #718, 18", Algae, Stainless Steel Bristle | R111646 Uxmal Techs typically replace lock rings

Techs typically replace lock rings when a NorthStar pump has been rebuilt and the clamp hardware is found cracked

Enables quick maintenance by providing a ready-to-install kit

Functional purpose: Provides the filtration surface inside the DE filter to capture debris and particles

Durable Corten Steel Construction: Crafted from high-strength Corten steel for exceptional rust and weather resistance

Check the diffuser and seals while the pump is apart so the rebuilt wet end does not leak at startup

Pentair Wall Brush #718, 18", Algae, Stainless Steel Bristle | R111646 Uxmal Techs typically replace lock ringsWhat This Part Is Used For Pentair R111646 Brush #718 is an 18in stainless steel bristle algae brush designed for aggressive pool surface cleaning. It is used to remove heavy algae growth from walls and floors. Why This Part Matters Large surface areas with stubborn algae require wide, durable brushing coverage. This brush provides strong scrubbing action to help restore clean pool surfaces. Key Features and Specifications Pentair model R111646 Brush