


Pentair Filter Air Relief Valve 98209803 by Swimables | SW-26-908
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Pentair Filter Air Relief Valve 98209803 by Swimables | SW-26-908Maintain safe pressure levels and peak filtration performance with the Swimables SW 26 908 Air Relief Valve, a direct replacement for Pentair part number 98209803. This high flow valve is specifically designed to vent excess air from Pentair filter housings, preventing pressure imbalances that can reduce water clarity and strain system components. It fits multiple Pentair filter models right out of the box, and its straightforward design makes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 182 reviews
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Product Reviews
★★★★★ 5
Excellent fit and great quality”
This filter fit perfectly and was very easy to install. The quality feels solid, and it made an immediate difference in air flow. It’s a reliable replacement at a much better price than the dealer. I’ll definitely be buying this brand again for future changes.
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Reviewed in the United States on August 17, 2025
★★★★★ 5
Super deal
This was a great replacement and much cheaper than most.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Nice replacement filter
Fits perfectly
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Good filter
Pretty thick. May restrict airflow a little bit but it's a good filter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 2, 2024
★★★★★ 5
Fits like a glove
Filter my air
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Reviewed in the United States on February 25, 2026