Pentair Seal Plate O-Ring U9-373Z – Reliable Replacement Seal for Pool Pumps & Filters
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The Pentair Seal Plate O‑Ring U9‑373Z is a genuine OEM replacement seal designed to provide a secure, leak‑resistant seal between the seal plate and pump housing in compatible pool pumps and filter systems. Proper sealing is critical to maintain optimum hydraulic performance, prevent water loss, and protect internal components from damage caused by leaks or pressure fluctuations.
Constructed from high‑quality, chemical‑resistant elastomer, this O‑ring withstands exposure to pool water, sanitizers, and varying temperatures without cracking, swelling, or deteriorating. It’s ideal for maintenance, service, or pump rebuild projects where precise sealing is needed to keep your pool equipment running efficiently and quietly.
Pentair Seal Plate O‑Ring U9‑373Z Compatibility
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Designed for pool pumps and filters that specify Pentair part U9‑373Z
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Compatible with select WhisperFlo®, SuperFlo®, and other Pentair pump models
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Suited for cartridge and multi‑port filter systems requiring this seal size
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Works in residential and commercial pool installations needing reliable sealing