Swimables | SW-26-908 | Pentair Style Air Relief Valve – Reliable Air Management for Pool Systems
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The SW‑26‑908 Pentair‑style air relief valve (also known as part 98209803) efficiently releases excess air from DE and cartridge pool filters. Its high‑flow design, O‑ring seal, and robust construction make it an ideal replacement for maintaining safe, efficient filtration operation.
Key Features:
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High‑Flow Air Release: Engineered to quickly remove trapped air from filter tanks, preventing pressure build‑up and promoting optimal filtration
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Integrated O‑Ring Seal: Ensures a dependable, leak‑free connection and prevents air and water escape from pressure tanks
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Durable Construction: Crafted for reliability and longevity, even under regular pool chemical exposure
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Pentair Replacement Part 98209803: Direct substitute for Pentair air relief assemblies used in Quad DE, Clean & Clear, FullFloXF, and FNS Plus filter systems
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Easy, Tool‑Free Installation: Hand‑tightens into the filter top—just apply thread seal tape for a secure fit
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Wide Compatibility: Works with multiple Pentair filter families, including Quad DE, FNS Plus, FullFloXF, and Clean & Clear series
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Compact & Lightweight: Weighs approximately 0.2 lb for simple handling and seasonal storage
Product Overview:
The SW‑26‑908 Pentair‑style air relief valve is an essential replacement part for maintaining air‑free filtration in your pool system. Designed with a high‑flow valve and secure O‑ring seal, it effectively releases air, preventing pressure spikes or vacuum conditions that could damage internal components. Its robust build is chemically resistant and suited for long‑term use.
This valve is a direct replacement for Pentair part 98209803, compatible with a range of filter models: Quad DE, FNS Plus, FullFloXF (C/F/F4 Series), and Clean & Clear filters. Installation is straightforward—simply hand‑tighten into the filter’s top port using thread seal tape. No tools required.
According to pool professionals and users alike, replacement is quick and easy:
“This air relief valve is a replacement part for use with select Pentair Filters … Made for easy installation and use”
“The Pentair air relief valves are sealed by internal o‑rings and fail from time to time. A new valve is inexpensive and super easy to swap out”
Whether replacing a worn or cracked valve, the SW‑26‑908 restores safe, reliable air management to keep your pool filtration running smoothly season after season.