All About Water Fire Extinguishers

Water fire extinguisher

Water Fire Extinguishers

The water fire extinguisher is an excellent solution if you run the risk of Class A fires involving paper, rubbish, wood, cloth or other carbon-based materials. H2O is also one of the oldest extinguishants around that is still used to this day.

It is common to pair up water with carbon dioxide extinguishers for indoor use. That covers your Class A, B and E type fires and doesn’t leave as much of a mess compared to dry powder.

How to Identify A Water Fire Extinguisher?

Water Fire Extinguishers are a full red cylinder with no band. They will also have the words water fire extinguisher printed on the front label. The cylinder is also made from stainless steel to prevent internal rusting.

Water Fire Extinguisher SignWhere To Use A Water Fire Extinguisher

H2O extinguishers are suitable for use on class A fires such as:

  • Paper
  • Wood
  • Cloth

How Does A Water Fire Extinguisher Work?

Water reduces the temperature of the fire and propelled by nitrogen gas.

When directed at flames, it lowers the general temperature, making it tough for the fire to burn and the flame to reignite.

If the water contains chemicals or has other impurities in it, the extinguisher may not operate as designed.

Water Extinguisher Sizes

9.0ltr – Water fire extinguisher.

9 litre water fire extinguisher nzAdvantages Of Water Extinguishers

Water is inexpensive and readily available.
Zero impact on the environment.
It is an effective extinguishant on Class A fires.

Disadvantages Of Water Extinguishers

Water fire extinguishers are only suited for one Class of fire.
Do not use on electrical fires due to shock hazards.
Using water fire extinguishers for fat and also flammable liquids will aggravate the fire.

How To Use A Water Fire Extinguisher

Like all other fire extinguishers, you need to remember the PASS-word.

Pull the Pin
Aim at the base of the fire.
Squeeze the handle.
Sweep from side to side.

Fire extinguisher PASS method

See our guide on How to Use a Fire Extinguisher.

How To Use A Water Fire Extinguisher Video