Hero Image

Why Every Commercial Kitchen Needs a Fire Suppression System

Commercial kitchens are one of the highest fire-risk environments in any business. With high cooking temperatures, open flames, large quantities of oil, and fast-paced working conditions, even a small mistake can lead to a serious fire emergency.

Recently, ABC Perth shared a Facebook Reel demonstrating the extreme danger of adding water to a stovetop grease fire. The video clearly shows how a simple mistake can turn a small fire into a dangerous explosion in seconds.

ABC Perth adding water to grease fire

View in Facebook

For restaurants, cafés, pubs, and catering facilities, the risks are even greater. Without the right fire protection systems in place, a small incident can lead to serious injuries, property damage, business interruption, and insurance complications.

This is why commercial kitchen fire suppression systems are essential for modern food service businesses.


Why You Should Never Use Water on a Grease Fire

One of the most dangerous mistakes in a kitchen fire is attempting to extinguish burning oil with water.

Explosive Fire Spread

Water is heavier than oil, so when poured onto burning grease it sinks beneath the oil. With temperatures often exceeding 300°C (570°F), the water instantly converts into steam.

Rapid Steam Expansion

When water becomes steam it expands approximately 1,700 times its original volume, creating a sudden and violent reaction.

Burning Oil Ejection

This rapid expansion ejects burning oil droplets into the air, effectively atomizing the fuel and spreading flames throughout the surrounding area.

Severe Burns and Injuries

The resulting fireball can cause serious burns and quickly ignite nearby surfaces, equipment, or flammable materials.

Loss of Control

A fire that started as a small pan incident can escalate into a full commercial kitchen fire within seconds. Fire Protection Australia (FPAA) specifically warns against using water to extinguish grease fires.


Common Causes of Fires in Commercial Kitchens

Understanding the common causes of kitchen fires helps restaurant operators reduce risk and maintain compliance with safety regulations.

1. Poor Cleaning and Maintenance

Grease buildup is one of the leading contributors to kitchen fires.

Common issues include:

  • Grease accumulation in range hoods, ducts, and filters
  • Dirty or incorrectly installed exhaust filters
  • Lack of professional exhaust system deep cleaning
  • Improper storage of greasy cleaning rags or linens

Grease buildup acts as fuel for fires, particularly in ventilation systems.

2. Human Error in Busy Kitchens

Commercial kitchens operate under high pressure, which increases the likelihood of mistakes.

Typical risks include:

  • Unattended cooking equipment, particularly deep fryers
  • Attempting to extinguish oil fires with water
  • Overloaded electrical circuits
  • Distractions during busy service periods
  • Storing cardboard, packaging, or chemicals near heat sources

Even experienced kitchen staff can make errors during peak service hours.

3. Equipment and Fire System Failures

Kitchen fire suppression systems must be properly installed, inspected, and maintained to work effectively.

Common issues include:

  • Skipping bi-annual inspections required by Australian Standards
  • Poorly maintained commercial kitchen fire suppression systems
  • Moving appliances outside the nozzle coverage area
  • Continuing to use faulty electrical or gas equipment
  • Kitchen upgrades without updating the fire suppression system coverage

4. Inadequate Staff Training

Even with advanced fire protection systems, staff training remains critical.

Safety risks often include:

  • Employees not knowing how to use fire extinguishers
  • Staff unfamiliar with manual pull stations
  • Failure to shut off gas or electrical supply
  • Blocked emergency exits
  • Fire doors being wedged open, compromising fire containment

Fire Prevention Best Practices for Commercial Kitchens

Preventing fires requires a combination of cleaning, training, and professional fire protection systems.

Recommended safety practices include:

Maintain Strict Cleaning Schedules

Ensure daily, weekly, and monthly cleaning of cooking equipment, ventilation systems, and grease traps.

Train Staff Regularly

Conduct routine fire safety training and evacuation drills so employees know how to respond during emergencies.

Service Fire Suppression Systems

Schedule bi-annual inspections of commercial kitchen fire suppression systems and ventilation equipment.

Dispose of Greasy Materials Safely

Store oily rags and waste in metal containers with lids to reduce spontaneous combustion risk.

Inspect Equipment Frequently

Check electrical wiring, gas connections, and cooking appliances regularly for damage or leaks.


Why the ANSUL R-102 System Is the Industry Standard

A properly installed commercial kitchen fire suppression system can stop a fire within seconds, protecting your people, your property, and your business.

The ANSUL R-102 Restaurant Fire Suppression System is widely recognised as one of the most trusted kitchen fire protection systems in the world. It is specifically designed to protect high-risk cooking appliances such as:

  • Deep fryers
  • Griddles
  • Ranges
  • Woks
  • Charbroilers

When activated, the system automatically:

  • Releases a wet chemical agent that suppresses flames
  • Cools hot surfaces
  • Prevents re-ignition
  • Shuts down fuel and electrical supply

This rapid response can stop a fire before it spreads through the kitchen ventilation system.


Protect Your Restaurant with Professional Fire Protection

At Torvac Solutions, we specialise in commercial kitchen and restaurant fire protection. As a long-standing partner of ANSUL Fire Suppression Systems, we install and maintain the ANSUL R-102 system, helping hospitality businesses stay safe and compliant.

Our services include:

  • Commercial kitchen fire suppression system installation
  • Fire system inspections and maintenance
  • Compliance with Australian Standards and insurance requirements
  • Kitchen fire risk assessments
  • Expert advice for restaurant owners and facility managers

Get Expert Advice on Your Kitchen Fire Protection System

If you’re unsure whether your kitchen fire suppression system is properly installed, compliant, or adequately protecting your equipment, it’s time to speak with a specialist.

🔥 Protect your staff, your customers, and your business.

Contact Torvac Solutions today to arrange a commercial kitchen fire protection inspection or discuss installing an ANSUL R-102 system.