The Strike First Automatic Heat-Actuated Fire Extinguisher is designed to provide automatic fire protection in high-risk areas. This extinguisher activates when temperatures reach 165°F (74°C), helping suppress fires even when no one is present. It is commonly used in flammable liquid storage rooms, paint booths, construction trailers, and industrial workspaces.
Key Features
- Automatic heat-activated operation
- UL Listed sprinkler head rated at 165°F (74°C)
- Durable steel cylinder with protective skirt
- Corrosion-resistant polyester powder coating
- Available in horizontal and vertical mounting styles
- Designed for supplementary fire protection
- Meets D.O.T. requirements
- Disposable design with reduced long-term maintenance
- Suitable for commercial and industrial applications
Fire Classes Covered
This extinguisher is designed for:
- Class A Fires — wood, paper, and cloth
- Class B Fires — flammable liquids and gases
- Class C Fires — energized electrical equipment
Ideal Applications
- Common installation locations include:
- Paint booths
- Flammable liquid storage areas
- Construction trailers
- Manufacturing facilities
- Mechanical rooms
- Industrial process areas
Why Choose an Automatic Fire Extinguisher?
Automatic extinguishers provide added protection in areas where fires could start without immediate supervision. Once the surrounding temperature reaches the activation point, the extinguisher automatically releases dry chemical agent to help suppress the fire.
Available Sizes
- 2-5 lb. Automatic Heat-Actuated Fire Extinguisher | Available in Vertical or Horizontal Mounting Style
- 5 lb. Automatic Heat-Actuated Fire Extinguisher | Available in Vertical or Horizontal Mounting Style
- 10 lb. Automatic Heat-Actuated Fire Extinguisher | Available in Vertical or Horizontal Mounting Style
- 20 lb. Automatic Heat-Actuated Fire Extinguisher | Available in Vertical or Horizontal Mounting Style
Classes of Fire Protection
Class A Fires – Ordinary Combustibles
These fires are typically extinguished using water or dry chemical agents that cool and insulate the burning material. Class A fires involve common combustible materials such as:
- Paper
- Wood
- Cloth
- Cardboard
- Trash
Class B Fires – Flammable Liquids & Gases
These fires require fire extinguishers designed to smother flames and interrupt the chemical reaction of the fire. Class B fires involve flammable and combustible liquids, including:
- Gasoline
- Oil
- Paints
- Solvents
- Grease
Class C Fires – Electrical Equipment
Non-conductive fire extinguishing agents are essential for safely suppressing electrical fires without increasing the risk of electric shock. Class C fires occur in energized electrical equipment, such as:
- Electrical panels
- Wiring
- Computers
- Machinery
- Appliances
Class K Fires – Cooking Oils & Grease
These specialized fire extinguishers are designed to quickly suppress grease fires and help prevent re-ignition. Class K fires involve high-temperature cooking oils and grease commonly found in:
- Commercial kitchens
- Restaurants
- Food service facilities
Click here for more information on choosing a suitable fire extinguisher and a fire extinguisher cabinet.

