Description
The genuine Waterway Manifold Nut 718-4320 is a factory-spec fastener purpose-built to anchor the manifold assembly inside your Waterway Crystal Water DE filter tank. Fabricated from resilient materials and machined to tight tolerances, this nut delivers a firm, reliable hold that keeps internal components properly positioned during operation. It plays a vital role in sustaining pressure equilibrium and structural alignment, contributing directly to the smooth and dependable performance of your DE filtration system over time.









