H2O Replacement UV Bulb

for H2O Bottleless Water Coolers

In-Tank and In-Line UV Bulb

H2O Replacement UV Bulb - Pure n Natural Systems
H2O Replacement UV Bulb - Pure n Natural Systems
H2O Replacement UV Bulb - Pure n Natural Systems
H2O Replacement UV Bulb - Pure n Natural Systems

H2O Replacement UV Bulb

for H2O Bottleless Water Coolers

In-Tank and In-Line UV Bulb

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About this product

Ultraviolet Disinfection (UV) is a proven and safe method for water disinfection. UV produces the same result as chlorinated water. The difference is - Ultraviolet does not add chemicals, nor does it alter the taste, color, or odor of water. Only the highest quality UV systems are used in the H2O Bottleless Water Coolers. The Phillips bulbs operate at the most effective wavelength. You can rest assured that 99.9% of bacteria and viruses are eliminated, including cryptosporidium, Hepatitis-A, Poliovirus, Streptococcus, Adenovirus, E.Coli, Rotavirus, and Giardia. If your water source is from a rural water supply, or a well, consider adding UV. Ultraviolet will ensure that your water is safe and contaminant-free.

Replace the UV bulb annually.

How do I locate the UV bulb housing on the H2O unit?
Follow these steps to safely locate the UV bulb housing: 

  1. Open the lower front door panel (where the filtration system is located). 
  2. Remove the two screws on the rear upper-left and upper-right corners of the top panel. 
  3. Carefully lift the top cover/lid. 
  4. The UV bulb housing is seated on the cold-tank lid beneath the top cover. 

You can then visually verify whether your bulb is: 

If replacing the bulb, always disconnect power before servicing. If you are unsure, contact a qualified technician. 

The In-Tank UV Bulb is used in the following International H2O Bottleless Water Coolers:

The In-Line UV Bulb is used in the following International H2O Bottleless Water Coolers:

  • H2O-1000 Bottleless Water Cooler (Discontinued) 
  • H2O-2000 Bottleless Water Cooler  (Discontinued) 
  • H2O-3000 Bottleless Water Dispenser  (Discontinued) 

Best for

  • International H2O bottleless water coolers equipped with an internal UV system
  • Maintaining UV disinfection performance inside the water cooler
  • Replacing an expired or non-functioning UV bulb
  • Offices, break rooms, healthcare, and light commercial environments
  • Preventative maintenance to support clean water delivery

Specifications

What's in the box

One (1) replacement UV bulb for H2O water coolers

Installation tips

  • Turn Off Power: Unplug the water cooler before servicing the UV system.
  • Allow Bulb to Cool: If the unit was recently operating, allow sufficient time for the bulb to cool.
  • Access UV Compartment: Open the service panel according to your H2O cooler instructions.
  • Remove Old UV Bulb: Carefully remove the existing bulb, handling it by the ends only.
  • Install New Bulb: Insert the replacement UV bulb securely into the socket.
  • Avoid Touching the Glass: If contact is made, wipe the bulb with a clean, dry cloth before reinstalling.
  • Reassemble and Restore Power: Close the service panel, plug the unit back in, and verify UV operation.

Frequently asked questions

What does the UV bulb do in an H2O water cooler?
It provides ultraviolet light used inside the cooler to help maintain internal water hygiene.

Which water coolers is this UV bulb compatible with?
This replacement bulb is designed for International H2O bottleless water coolers that include a UV treatment system, see the About this product section above for specific in-tank and in-line models.

How often should the UV bulb be replaced?
UV bulbs are typically replaced every 12 months, even if the bulb still lights, to maintain effective UV output.

Can the water cooler operate without the UV bulb installed?
The cooler may still dispense water, but UV treatment will not function until a working bulb is installed.

Do I need professional service to replace the UV bulb?
No. UV bulb replacement is user-serviceable, but care should be taken to follow safety and handling instructions.

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