Description
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The Viqua Arros 15 (VA15LU) UV Lamp & Quartz Sleeve is a genuine replacement kit designed specifically for Viqua Arros 15 UV water disinfection systems. This matched lamp and sleeve combination ensures maximum UV output, proper fit, and reliable microbial protection, restoring your system to peak performance.
Replacing both the UV lamp and quartz sleeve together helps maintain optimal UV transmission, protects water quality, and extends the overall life of your UV system.
Key Features
- Genuine Viqua Replacement Kit – Engineered for exact compatibility with Arros 15 systems for safe, reliable operation.
- High-Output UV Lamp (VA15LU) – Delivers consistent ultraviolet intensity to inactivate bacteria, viruses, and other microorganisms.
- Precision Quartz Sleeve – Protects the UV lamp while allowing maximum UV light transmission into the water stream.
- Restores UV System Performance – Ensures proper UV dose delivery when replaced at recommended service intervals.
- Easy Installation – Designed for straightforward replacement during routine annual maintenance.
Compatibility
Compatible UV Systems
- Viqua Arros 15 UV System
Compatible UV Lamps
- VA15LU UV Lamp
Not interchangeable with Arros 9, Arros 22, or other Viqua models.
Specifications
- Lamp Model: VA15LU
- System Capacity: Up to 15 GPM
- Lamp Life: ~9,000 hours (approximately 12 months)
- Quartz Sleeve Material: High-purity UV-transmitting quartz
- Application: Cold water use only
- Manufacturer: Viqua (Trojan Technologies)
Applications
- Whole-house UV water disinfection
- Residential homes and cottages
- Well water systems requiring microbial protection
- Municipal water with added UV safety
- Replacement during annual UV service intervals
This lamp and sleeve set ensures your Arros 15 system continues to deliver chemical-free, dependable water disinfection at every tap.
Maintenance
- UV Lamp: Replace annually (every 9,000 hours) even if the lamp is still illuminated
- Quartz Sleeve: Inspect and clean during lamp replacement; replace if cloudy, stained, or damaged
- Pre-Filtration: Maintain proper sediment and carbon filtration to protect the sleeve and ensure effective UV performance
- O-Rings: Inspect and lubricate O-rings during service to prevent leaks
Routine maintenance ensures consistent UV output and long-term system reliability.
Why Replace Both the Lamp & Sleeve Together?
✔ Maximizes UV light transmission
✔ Ensures correct lamp positioning
✔ Reduces risk of premature lamp failure
✔ Maintains manufacturer-rated UV performance

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