Aqua Ultraviolet – Replacement Quartz Cap, Clear (with O-Ring)
Overview
Factory clear quartz cap for Aqua Ultraviolet UV sterilizers. Protects the quartz sleeve end while letting you visually confirm lamp-on status. Includes a new O-ring to restore a drip-tight seal.
Key Features
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Genuine Aqua Ultraviolet clear cap for visual lamp check
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Includes O-ring sized for the factory groove
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Maintains a clean, sealed end-cap assembly to protect sleeve and wiring
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Tool-light swap; ideal when caps are crazed, cracked, or leaking
Compatibility
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Aqua Ultraviolet Classic and SL models that use the clear quartz end cap
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Check your unit’s cap style and wattage family to ensure correct fit
Specifications
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Part: Clear quartz cap with sealing O-ring
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Materials: Optical-clear cap; elastomer O-ring
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Use: External end-cap component (non-submersible)
What’s Included
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(1) Clear quartz cap
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(1) O-ring
Install & Care Notes
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Power off and depressurize the system.
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Remove the old cap; clean threads, groove, and sealing face.
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Lightly lube the new O-ring with silicone-safe grease and seat it evenly.
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Install the cap hand-tight, then snug—do not overtighten.
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Pressurize and leak-test; verify lamp illumination through the clear cap.