Hayward FLEX AIR RELIEF ASSEMBLY

The Hayward Flex Air Relief Assembly is a specialized safety and maintenance fixture designed for use with Hayward Perflex extended-cycle D.E. filters. Constructed from high-strength, corrosion-proof materials, this assembly consists of a threaded valve body, a manual venting knob, and a reinforced internal tube that extends into the filter tank. Its primary mechanical function is to allow the operator to manually bleed off trapped air that accumulates at the top of the filter during the "bumping" process or initial startup, which is essential for maintaining proper hydraulic pressure and preventing the filter from becoming air-bound. By ensuring the tank is completely filled with water, the assembly helps the internal Nest structure operate efficiently and prevents potential damage caused by air pockets. The unit is engineered to withstand the rigors of high-pressure environments and is resistant to UV degradation and pool chemicals, ensuring a leak-free seal and reliable operation over many seasons. For shipping and logistical purposes, the estimated weight of the Hayward Flex Air Relief Assembly is approximately 0.5 pounds in its retail protective packaging, while the actual dry weight of the assembly and its internal components is roughly 0.3 pounds.