Description
XFLO UV Steriliser XFL3-25L-2 | 25 W Ultraviolet Reactor for 3″ Plumbing
The XFLO XFL3-25L-2 is a professional-grade UV steriliser engineered for aquariums, ponds, and water-feature applications that require reliable microbial control. With a 25 watt UV-C lamp and 3″ diameter reactor, it provides an efficient, chemical-free method of maintaining clear, healthy water by reducing algae, bacteria, and pathogens.
Built with over 60 years of combined design expertise, XFLO UV sterilisers are known for their ease of maintenance, superior hydraulic efficiency, and dependable long-term performance.
Key Features
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Efficient L-shaped flow path – Ensures maximum UV exposure with minimal dead zones for superior sterilization performance.
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Unionized water ports – 1.5″ union fittings simplify installation and servicing.
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Single-ended lamp and sleeve access – Replace or clean the UV lamp or quartz sleeve without full disassembly.
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No-twist cable fittings – Tool-free cable removal prevents damage during maintenance.
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High-quality UV lamps – American-made, hard-quartz, non-ozone-emitting lamps ensure consistent UV output and reduced scaling.
Technical Specifications
| Specification | Value |
|---|---|
| Model | XFL3-25L-2 |
| Lamp Power | 25 W (1 lamp) |
| Reactor Diameter | 3″ (76 mm) |
| Overall Length | 32 7/8″ (835 mm) |
| Inlet/Outlet Port Size | 1.5″ union fittings |
| Flow Rate (30 mJ/cm² dose) | 480 GPH (1,815 L/hr) |
| Flow Rate (180 mJ/cm² dose) | 60 GPH (227 L/hr) |
| Recommended Aquarium Size* | 60 gal (227 L) |
| Recommended Pond Size** | 2,000 gal (7,571 L) |
* Based on 180 mJ/cm² dosage and one turnover per hour.
** Based on 30 mJ/cm² dosage and one turnover every 3–4 hours.
Applications
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Home aquariums
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Outdoor and indoor ponds
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Water features and fountains
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Aquaculture systems and hatcheries
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Filtration systems requiring chemical-free sterilization
Benefits
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Improves water clarity and quality – Eliminates suspended algae and harmful microorganisms.
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Low maintenance – Easy-access lamp and sleeve design saves time during servicing.
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Flexible installation – Compact 3″ diameter body with union ports for simple plumbing integration.
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Durable and efficient – Built for long service life with high-grade components.
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Chemical-free sterilization – Safe for aquatic life and eco-friendly operation.
Installation & Maintenance Tips
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Install the sterilizer after mechanical or biological filtration to ensure clear water entering the unit.
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Maintain recommended flow rates for effective UV exposure.
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Replace the UV lamp annually for optimal performance.
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Clean the quartz sleeve regularly to prevent buildup and maintain light transmission.
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Ensure all unions are tight and leak-free before operation.
The XFLO XFL3-25L-2 UV Steriliser delivers exceptional UV-C performance in a compact, service-friendly design. Engineered for both hobbyist and professional use, it offers efficient, chemical-free sterilization to keep aquarium and pond water clear, healthy, and free from unwanted microorganisms.
