Description
Keep your Viqua UV water disinfection system performing like new with the Viqua Sterilight C-S320RL-HO UV Lamp — a genuine OEM replacement lamp engineered to deliver reliable ultraviolet output for effective, chemical-free microbial inactivation.
Designed specifically for high-output (HO) applications, this UV lamp ensures your system maintains the UV intensity needed to neutralize harmful bacteria, viruses, and protozoa that can be present in untreated water sources.
Key Features
- Genuine OEM Replacement — Designed by Viqua/Sterilight for proper fit, performance, and safety in compatible UV systems.
- High Output UV-C Lamp — Provides strong UV intensity throughout its rated service life to support effective disinfection.
- Long Service Life — Rated for approximately 9,000 hours (about 1 year) of operation; replace annually for best performance.
- Easy to Install — Simple plug-and-play design makes lamp changes quick during routine maintenance.
Specifications
- Model: S320RL-HO
- Lamp Type: High-Output germicidal UV lamp
- Rated Life: ~9,000 hours (~12 months)
- Length: ~16.5″ (42 cm)
- Base: 4-pin stepped connection
- Operating Wavelength: ~254 nm (germicidal UV-C)
Compatibility
The Viqua Sterilight C-S320RL-HO UV Lamp fits the following Viqua/Sterilight UV systems:
- SPV-6
- SP320-HO
- SC-320
- SCM-320
✔ Always check your system’s model number to confirm compatibility before purchase.
Applications
- Whole-house UV disinfection for residential properties
- Point-of-entry systems for well or surface water treatment
- Drinking water safety where chemical disinfection is not desired
- Systems serving cottages, seasonal properties, or light commercial use
Maintenance
- Annual Replacement: UV lamps should be replaced approximately every 12 months or after ~9,000 hours of operation to maintain effective UV dose.
- Handle with Care: Avoid touching the glass tube with bare hands — oils can shorten lamp life.
- Reset System Timer: After installation, reset your UV system’s lamp life timer as recommended by the manufacturer.
Why Use a Genuine Viqua Lamp?
Only genuine Viqua UV lamps are engineered to deliver the UV dose and spectral output your Sterilight system requires. Non-OEM or cheaper generic bulbs may not meet the same standards, and can compromise disinfection performance or even damage system electronics.

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