RL-420 UV Lamp

Part Description:

The RL-420 UV Lamp is a replacement ultraviolet bulb used in water filtration and sterilization systems. It emits UV light to help disinfect water by reducing bacteria, viruses, and other microorganisms.

Function & Importance:

• The lamp produces UV-C light that destroys the DNA of bacteria and viruses, preventing them from reproducing

• Adds an extra layer of protection beyond filters, especially in systems treating well water or microbiologically unsafe water

• Without a functioning UV lamp, your system cannot sterilize water properly

Common Signs of Issues:

• Indicator light off or warning on

• Cloudy or unpleasant-tasting water

Compatible Models:

• all rack-mount standard-output systems

Installation Tips:

• Always disconnect the system before servicing

• Avoid touching the lamp glass with bare hands—use gloves or a clean cloth

• Align properly to ensure maximum UV exposure in the chamber

• Check O-Rings and Seals: Make sure all seals are intact to prevent leaks.

• Reset Timer or Indicator: If your system tracks lamp life, reset after replacement.

Why It Matters:

The RL-420 UV Lamp is crucial for keeping your water safe by effectively reducing harmful microorganisms. Replacing it on schedule protects your health and ensures your water treatment system performs as designed—giving you peace of mind with every glass.