12/10/2023 0 Comments Hayward de3620 filter grid assembly![]() Upon first use, I found welcome improvements had been made to the ease of operating the air relief valve and to the pressure gage with a simple means for indicating changes in pressure from the initial setting and when filter cleaning is required. I recently purchased a Hayward DE-3620 filter as a replacement for a 10-yr old Hayward DE-3600, and was initially most satisfied with the ability to directly install the new unit in place of the old one without having to make any adjustments whatsoever to the interface connections with the existing vari-flow valve and external piping. New High capacity, rapid release manual air relief valve bleeds air with a quick quarter turn of the lever.72 ft filter made of reinforced thermoplastic allows for both commercial and large residential applications and years of non-corrosive, trouble-free performance.Inlet diffuser elbow distributes flow of unfiltered water evenly to all filter elements and provides even distribution of D.E.Integral lift handles and uniform low-profile base make removal of grid nest fast and simple.High impact grid elements designed for up-flow filtration and top-down backwashing for maximum efficiency.Heavy-duty, tamper-proof one-piece flange clamp securely fastens tank top and bottom, allowing for quick access to all internal components without disturbing piping or connections.Self-Aligned tank top and bottom make access to servicing the grid elements fast and simple. ![]()
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