Description
The Aqua Flo Genesis RL-420HO UV Lamp (40040020) is a high-output replacement UV lamp designed to maintain effective ultraviolet water disinfection in compatible Aqua Flo Genesis UV systems. Engineered for consistent UV intensity, this lamp helps neutralize bacteria, viruses, and cysts—ensuring safe, reliable water treatment for residential and light commercial applications.
Routine lamp replacement is essential to maintain proper UV dose and system performance.
Features & Benefits
- Genuine Aqua Flo Genesis Replacement Lamp
- Manufactured to original equipment specifications for proper fit and reliable performance.
- Provides enhanced UV intensity for dependable microorganism inactivation.
- Ensures consistent UV dose for continuous water disinfection.
- Designed for quick replacement during routine maintenance.
- Built for reliable operation over its rated service life.
Compatible Quartz Sleeve
- QS-420 UV Quartz Sleeve
The QS-420 quartz sleeve is the correct sleeve for the RL-420HO lamp. It protects the lamp from direct water contact while allowing maximum UV light transmission. Inspect and clean the sleeve regularly, and replace it if it becomes cloudy, scratched, or damaged.
Compatible UV Systems
The RL-420HO UV Lamp (40040020) is compatible with the following Aqua Flo Genesis UV systems:
- Aqua Flo Genesis 4-HO
- Aqua Flo Genesis 4-HO-TOC
- Other Genesis systems specifying RL-420HO lamp / QS-420 sleeve
Always confirm your system model before ordering to ensure proper compatibility.
Maintenance & Replacement
- UV Lamp: Replace every 12 months
- Quartz Sleeve: Inspect annually; clean as needed and replace if clarity cannot be restored
Proper maintenance ensures reliable UV performance and continued protection against harmful microorganisms.

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