Description
The 89571 UV Lamp is the germicidal ultraviolet replacement bulb for the Pura BUV-8 (8 GPM) water disinfection system. It emits UV-C light (around 254 nm) that helps deactivate bacteria, viruses, and other microorganisms in potable water — providing chemical-free water sterilization when installed in the system’s UV chamber.
Key Features
- Designed for Pura BUV-8 systems: Part #89571 is specified for the 8 GPM Class-B UV sterilizer.
- Typical service life ~9,000 hours: About 12 months of continuous operation before output declines.
- Restores germicidal performance: UV output decreases over time even if the lamp still glows; annual replacement ensures effective disinfection.
- Easy installation: Plug-style lamp designed for tool-free swap-out in the BUV-8 UV chamber.
Compatibility
- Specifically matched for Pura BUV-8 / ABUV-8 water disinfection systems.
- Works with the original quartz sleeve (Part 89574) and standard electrical ballast in the BUV-8.
- ⚠️ Always confirm the lamp part number on your specific unit before ordering.
Maintenance & Replacement Tips
- Replace annually (≈9000 hours): Even if the lamp still lights up, its germicidal UV-C output drops over time; yearly replacement is best practice.
- Service quartz sleeve: Clean or replace the quartz sleeve when you change the lamp to maintain high UV transmission.
- Handle carefully: Avoid touching the lamp glass with bare hands — skin oils reduce lamp life and performance.

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