Laguna Pressure-Flo Quartz Sleeve - 21000


Best current price£59.99from Pondkeeper
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Laguna Pressure-Flo 21000 Quartz Sleeve Lgpf21quartz
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Best current price£59.99from Pondkeeper
Shopping.co.uk recommended and popular offers
Laguna Pressure-Flo 21000 Quartz Sleeve Lgpf21quartz
Visit shop1 offer from £59.99
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The Laguna Pressure-Flo Quartz Sleeve 21000 is an essential replacement component designed specifically for owners of the Laguna Pressure-Flo 21000 pond filtration system. It serves as a vital protective barrier for your UV bulb, ensuring optimal light transmission while keeping the electrical components water-tight; however, users should handle this delicate glass piece with extreme caution during installation to prevent cracks or breakage.
| Brand | Laguna |
|---|
No, this specific quartz sleeve is precision-engineered for the Pressure-Flo 21000 model and may not fit other sizes.
You generally only need to replace it if it becomes cracked, deeply scratched, or impossible to clean due to severe mineral buildup.
The installation is mostly manual, but ensure you have the correct tools to open the canister filter housing as per your main filter manual.
Using a genuine Laguna part is recommended to ensure the correct dimensions and material quality for safe, leak-free operation.
Skin oils can create hot spots on the glass when exposed to the UV lamp heat, which can lead to premature failure or breakage.
Check that the O-ring is properly seated and not pinched during the installation of the new sleeve.
Ensure the sleeve is free of fingerprints, dirt, or lime deposits that may block UV light transmission.
To replace the sleeve, first ensure the filter is disconnected from the power supply and the water flow is shut off. Carefully remove the UV housing from the top of the canister. Gently slide the old sleeve out and inspect the O-ring seals for signs of wear or cracking. Slide the new Laguna 21000 sleeve into place, ensuring it is seated correctly to avoid leaks. Avoid touching the glass with bare skin; oils from your fingers can bake onto the glass when the bulb heats up, causing hotspots. Clean the glass periodically with a gentle, non-abrasive cleaner if you notice mineral buildup during regular filter maintenance.