OEM rubber seal/O-ring that seats around the quartz sleeve to create a drip-tight barrier between the sleeve and end-cap. Replaces flattened, cracked, or missing seals to stop leaks and air draw.
Genuine Aqua Ultraviolet quartz sleeve seal
Restores a watertight seal and stable UV performance
Silicone-safe lubrication recommended for easier install & longer life
Works with wiper and non-wiper models
Aqua Ultraviolet Classic and SL series that use a sleeve-end rubber seal
Order the seal matched to your unit’s wattage/family (8W/15W/25W/40W/57W/80W/114W/160W); seals are not universal across all sizes
Part Type: Quartz sleeve rubber seal / O-ring
Material: Durable elastomer (black)
Location: End-cap/sleeve interface (external component; not submersible by itself)
(1) Quartz sleeve rubber seal/O-ring
Power off and relieve pressure.
Remove cap and sleeve; clean groove and sealing face.
Lightly coat the new seal with silicone-safe lube; seat evenly.
Reinstall sleeve and cap hand-tight, then snug—do not overtighten.
Pressurize and leak-test; recheck after the first run cycle.