Hayward COVER O-RING NS & EASY CLEAR

The Hayward Cover O-Ring for the Nano-Sized (NS) and Easy-Clear series is a specialized elastomeric seal designed to create a watertight interface between the filter head and the tank body. Fabricated from a high-grade synthetic rubber compound, this O-ring is engineered to maintain its elasticity and sealing properties even when subjected to high hydraulic pressures and consistent exposure to pool chemicals like chlorine and bromine. Its primary mechanical role is to prevent leaks at the main housing seam, ensuring that the filtration system remains pressurized and air-free for efficient water circulation. To maintain its integrity and prevent the rubber from becoming brittle or "squaring off" over time, it requires regular inspection and the application of a silicone-based lubricant during filter cleanings. For shipping and logistical purposes, the estimated weight of the Hayward Cover O-Ring for these series is approximately 0.15 pounds in its retail packaging, while the actual weight of the rubber seal itself is roughly 0.10 pounds.