Astral Pool 3000 Series Lock Ring (4404180102) glipool Raypak knob stop

Raypak knob stop

The right modular hardware helps the system feel more intentional and more professionally maintained

Volutes are useful because they help shape water movement through the pump and are central to the wet-end performance of the system

White mushroom air button from Herga Electric supplied without tubing

Astral Pool 3000 Series Lock Ring (4404180102) glipool Raypak knob stopThe Astral Pool 3000 Series lock ring is designed for compatible filter applications where major body sections need to be secured together with dependable retention. A lock ring like this is useful because it helps maintain the assembly structure, supporting both sealing integrity and a more stable overall fit. This replacement is especially useful when the original lock ring is cracked, warped, damaged, or no longer tightening with confidence.