For wood stove pilot light fires (Class B fires, involving flammable liquids or gases), the most appropriate type of fire extinguisher to use is a Class B-rated fire extinguisher. The two common types of fire extinguishers suitable for Class B fires are:
Foam Fire Extinguisher (Class AB): This type of extinguisher is suitable for both Class A fires (involving ordinary combustibles like wood, paper, and fabric) and Class B fires (involving flammable liquids or gases). It is effective in smothering the flames and creating a barrier between the fuel and the oxygen, extinguishing the fire. Foam fire extinguishers are generally easy to use and provide good coverage.
Carbon Dioxide (CO2) Fire Extinguisher (Class BC): This type of extinguisher is designed specifically for Class B fires (flammable liquids and gases) and Class C fires (involving energized electrical equipment). CO2 extinguishers work by displacing the oxygen around the fire, suffocating it and stopping the combustion process. They leave no residue and are safe to use around electrical equipment.
When choosing a fire extinguisher for your wood stove pilot light area, it's essential to select one that is easily accessible and properly rated for Class B fires. Make sure to check the label on the extinguisher, and it should clearly indicate its suitability for Class B fires.
Additionally, ensure that everyone in your household or workplace knows the location of the fire extinguisher and how to use it properly. Regularly inspect the extinguisher to ensure it is in good working condition, and have it serviced or replaced as needed. Remember that fire extinguishers are designed for small, contained fires. If a fire becomes uncontrollable or spreads rapidly, evacuate the area immediately and call the fire department for assistance.