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Kitchen Fire Suppression2026-11-05T15:47:52+00:00

KITCHEN FIRE SUPPRESSION

Commercial Kitchen Fire Suppression Systems

KITCHEN FIRE SUPPRESSION SYSTEMS & SAFETY REQUIREMENTS

Importance of Kitchen Fire Suppression Systems

Commercial kitchens face fire risks from cooking oils, high temperatures and extraction equipment. Therefore, suitable fire protection is important for protecting staff, customers and property. Kitchen fire suppression systems help control fires before they spread to surrounding areas.

These systems can detect a fire and automatically release an extinguishing agent onto designated cooking equipment. In addition, some systems can shut off gas or electrical supplies to help prevent further fire spread. The exact protection depends on the system installed and the kitchen’s requirements.

Regular inspection and maintenance are also important. Many kitchen fire suppression systems follow a six-monthly servicing schedule. However, the appropriate interval should reflect the manufacturer’s instructions, applicable standards and system requirements.

Advantages of Kitchen Fire Suppression Systems

A suitable kitchen fire suppression system offers several advantages. In particular, it can provide automatic protection for high-risk cooking areas and reduce the need for staff to approach a developing fire.

Automatic Activation and Rapid Response

Automatic kitchen fire suppression systems activate when their detection arrangements identify a fire. As a result, they can respond without waiting for staff to operate an extinguisher. This helps reduce the risk of injury during an emergency.

  • Automatic activation when the system detects a fire.
  • Rapid discharge of a suitable extinguishing agent.
  • Reduced need for staff to intervene directly.
  • Protection designed to help prevent a small fire from escalating.

Targeted Fire Suppression for Cooking Equipment

Kitchen suppression systems deliver extinguishing agents to designated high-risk areas. For example, these may include deep-fat fryers, cooking appliances and associated extraction equipment. However, the protected areas depend on the system design.

  • Targeted suppression for specified cooking appliances.
  • Protection for designated extractor canopy and duct areas.
  • Discharge nozzles positioned to protect identified hazards.
  • Automatic gas or electrical shut-off where included in the system.

Safety and Business Protection Benefits

Kitchen fires can cause injuries, equipment damage and business disruption. Consequently, effective fire suppression can help limit the impact of an incident. It can also reduce the risk of a fire spreading beyond the cooking area.

Furthermore, some insurers require kitchen fire suppression systems as part of their policy conditions. Businesses should therefore check their insurance requirements when selecting suitable fire protection.

Certain systems, including ANSUL R-102, use wet chemical extinguishing agents designed for commercial cooking hazards. However, cleaning and restoration requirements depend on the extent of the incident and the equipment affected.

UK Fire Safety Requirements for Commercial Kitchens

In England and Wales, the Regulatory Reform (Fire Safety) Order 2005 places fire safety duties on Responsible Persons. These include arranging a suitable and sufficient fire risk assessment and implementing appropriate fire precautions.

The legislation does not require every commercial kitchen to have a fire suppression system. However, a fire risk assessment may identify the need for additional protection. Insurance conditions and building requirements may also influence the decision.

Fire Risk Assessments for Commercial Kitchens

A fire risk assessment should consider the hazards associated with cooking equipment and kitchen operations. For example, deep-fat frying, high cooking temperatures and grease accumulation can increase fire risks.

Based on the assessment, the Responsible Person can identify suitable precautions. These may include kitchen fire suppression systems, appropriate extinguishers and staff fire safety training.

Insurance and Building Requirements

Some insurers require commercial kitchens to install approved fire suppression systems. In particular, businesses operating high-risk cooking equipment may face additional conditions. Therefore, owners should confirm their policy requirements before selecting a system.

Similarly, building design requirements and the premises’ fire strategy may affect the protection needed. Where relevant, businesses should discuss these requirements with the appropriate professionals or authorities.

Standards for Kitchen Fire Suppression Systems

Several standards and certification schemes relate to commercial kitchen fire suppression systems. These help establish requirements for system performance, installation and maintenance. However, their relevance depends on the equipment and its intended application.

BAFE SP206 – Kitchen Fire Protection Systems

BAFE SP206 is a third-party certification scheme for organisations providing kitchen fire protection system services. It covers specified activities involving the design, installation, commissioning and maintenance of these systems.

Consequently, businesses can use relevant third-party certification when assessing a service provider’s competence. However, they should confirm that the organisation’s certification covers the work required.

LPS 1223 – Commercial Kitchen Fire Suppression Systems

LPS 1223 sets out requirements and testing procedures for fixed fire suppression systems protecting commercial cooking equipment. It addresses system performance under specified fire test conditions.

For example, system design may include automatic and manual activation, protection for designated cooking equipment and associated fuel shut-off arrangements. However, the exact requirements depend on the relevant approval and system specification.

Other Relevant Fire Suppression Standards

Other standards may also apply when selecting kitchen fire suppression equipment. Although some originate outside the UK, they can remain relevant to particular product approvals.

  • BS EN 17446: A European standard covering fire extinguishing systems for commercial kitchens, including requirements relating to design, testing and maintenance.
  • UL 300: A North American testing standard for fire extinguishing systems protecting commercial cooking equipment. Certain systems hold this approval.
  • NFPA 96: A US standard covering ventilation control and fire protection for commercial cooking operations. It may provide technical guidance where relevant.

However, these standards do not all have the same status under UK legislation. Therefore, businesses should confirm which requirements apply to their premises, selected equipment and insurance arrangements.

Kitchen Fire Suppression System Maintenance

Regular kitchen fire suppression maintenance helps identify faults that could affect system performance. In addition, servicing helps maintain the equipment’s readiness in the event of a cooking fire.

How Often Should Kitchen Fire Suppression Systems Be Serviced?

Many commercial kitchen fire suppression systems require servicing every six months. However, the appropriate frequency depends on the manufacturer instructions, system approval and applicable maintenance requirements.

Therefore, businesses should arrange inspections with a competent fire protection service provider. The provider should follow the relevant procedures for the installed system.

Kitchen Fire Suppression Inspections

During a service inspection, engineers assess the condition of the suppression system and its components. For example, they may check the detection arrangements, discharge nozzles and associated equipment.

In addition, engineers should identify damaged or obstructed components that could affect operation. Where necessary, they can recommend replacement or corrective work in line with the manufacturer’s instructions.

Importantly, routine servicing does not necessarily require replacement of every nozzle. The correct maintenance procedures depend on the specific system and its requirements.

Coordinating Servicing with Kitchen Duct Cleaning

Commercial kitchen extraction systems can accumulate grease during normal operation. Therefore, regular cleaning is an important part of managing kitchen fire risks.

Where practical, businesses can coordinate fire suppression servicing with their duct cleaning provider. As a result, they may reduce disruption to kitchen staff and daily operations.

Maintenance Following System Activation

If a kitchen fire suppression system activates, a competent specialist should inspect it before returning it to service. In addition, the system may require recharging and replacement of specified components.

The appropriate work depends on the equipment and manufacturer requirements. Therefore, businesses should arrange professional attention following a discharge.

Choosing the Right Kitchen Fire Suppression System

Every commercial kitchen has different cooking equipment, operating conditions and fire risks. Consequently, businesses should select a suppression system that suits their premises and identified hazards.

Before choosing a system, consider the following:

  • Fire risk assessment: Identify the cooking hazards and required fire precautions.
  • System suitability: Confirm that the suppression equipment protects the relevant cooking appliances and areas.
  • Certification: Check applicable system approvals and the provider’s relevant certification.
  • Maintenance: Establish the appropriate servicing frequency and inspection arrangements.
  • Insurance: Confirm any additional fire protection requirements specified by the insurer.
  • Building requirements: Consider the premises’ fire strategy and any relevant authority requirements.

By considering these factors, businesses can make informed decisions about their kitchen fire protection. Furthermore, they can establish suitable arrangements for ongoing maintenance.

Kitchen Fire Suppression Advice from SS Systems

Choosing suitable fire protection is an important part of managing commercial kitchen risks. Therefore, businesses should consider their cooking equipment, fire risk assessment and relevant system requirements.

If you need advice about commercial kitchen fire suppression systems or want to discuss servicing requirements, contact SS Systems. Our team can discuss your premises and the next steps.

Enquiry

Frequently Asked Questions About Commercial Kitchen Fire Suppression

A kitchen fire suppression system provides fixed fire protection for commercial cooking equipment and associated extraction areas. It helps control or extinguish fires involving cooking oils, fats and other hazards within its designed coverage.

Many systems use automatic heat detection to activate the suppression equipment. They release a suitable extinguishing agent through strategically positioned nozzles to protect specified cooking appliances and, where required, associated extraction components.

The system designer determines the correct coverage, activation arrangements and extinguishing agent according to the kitchen’s equipment and fire risks.

A commercial kitchen fire suppression system detects a fire and releases an extinguishing agent onto the protected cooking equipment and associated areas.

Many systems use heat-sensitive detection components, such as fusible links or other approved detection arrangements. When the system activates, it releases the agent through a network of pipes and nozzles.

Depending on the design, activation may also trigger cooking fuel or electrical shut-off arrangements and send a signal to the building’s fire alarm system.

Kitchen staff must still raise the alarm, follow emergency procedures and evacuate when necessary. Automatic suppression does not replace these responsibilities.

Restaurants, hotels, takeaways, pubs, commercial catering facilities and other professional kitchens may benefit from fixed fire suppression systems.

Kitchens that use deep-fat fryers, grills, ranges, woks or other high-temperature cooking equipment can present significant fire risks, particularly where cooking oils and grease accumulate.

A suitable fire risk assessment, the building’s fire safety strategy and any relevant insurer requirements should help determine whether the kitchen needs a suppression system.

Not every commercial kitchen has an identical requirement. The decision depends on the cooking processes, equipment, premises and applicable requirements.

UK legislation does not impose a universal requirement for every commercial kitchen to install a fixed fire suppression system.

In England and Wales, the Regulatory Reform (Fire Safety) Order 2005 requires the Responsible Person to assess and manage fire risks and provide appropriate fire safety measures. Scotland and Northern Ireland have separate fire safety legislation.

A fire risk assessment, building design requirements or insurance conditions may identify the need for a suitable kitchen suppression system.

Businesses should obtain competent fire safety advice rather than assume that every kitchen has the same legal or technical requirements.

Wet chemical and water mist systems use different methods to help control kitchen fires.

Wet chemical systems release a specially formulated agent that helps cool burning cooking oils and fats. The agent can also form a protective layer over the surface to help reduce the risk of re-ignition.

Water mist systems use fine water droplets to cool and suppress fires. However, the system must have suitable test evidence and approval for the specific cooking hazards and equipment it protects.

Neither method suits every application automatically. A competent designer should select a system with appropriate tested performance for the kitchen.

Commercial kitchen fire suppression systems need regular inspection, testing and maintenance to help ensure they remain ready to operate.

Many manufacturers and system approvals specify specialist servicing at six-month intervals. The appropriate schedule depends on the installed system, manufacturer instructions, applicable standards and any insurer requirements.

Kitchen managers should also arrange suitable routine visual checks and report damaged components, blocked nozzles, warning indicators or changes to protected cooking equipment.

A competent service provider should confirm the maintenance requirements for the particular installation.

Yes. Many commercial kitchen suppression systems can activate suitable fuel or electrical isolation arrangements when the system operates.

These interfaces help reduce the risk of continued heating after suppression begins. Depending on the kitchen’s design, the system may also interact with fire alarms, ventilation equipment and other safety controls.

The designer must establish the correct shutdown and ventilation sequence for the installed equipment and relevant standards.

Do not assume that every system automatically isolates all appliances or shuts down every ventilation fan. The required operation depends on the approved design.

After activation, kitchen staff should follow the emergency plan, keep people away from the affected area and contact the appropriate emergency services where necessary.

Do not restart the cooking equipment or attempt to reset the suppression system before a competent specialist has assessed the installation.

The service provider may need to inspect the protected equipment, replace or recharge the extinguishing agent, restore activation components and complete relevant testing.

Staff should only resume cooking once the appropriate specialists have confirmed that the equipment and fire protection arrangements are safe and ready for use.

Regular checks can help kitchen managers identify potential problems before they affect the suppression system’s performance.

Warning signs include:

  • Blocked nozzles – Grease, dirt or cooking equipment obstructing the discharge points.
  • Damaged components – Visible damage to pipes, nozzles, detection equipment or manual activation devices.
  • Warning indicators – Fault signals or abnormal pressure readings where the system provides them.
  • Equipment changes – New or relocated appliances that may no longer match the original nozzle coverage.
  • Overdue servicing – Missing maintenance records or a service date that has passed.
  • Previous activation – A system that has discharged or partially operated and needs specialist attention.

Report any concerns promptly and ask a competent suppression specialist to assess the system. Kitchen staff should not attempt unauthorised repairs or adjustments.

Contact SS Systems to discuss your commercial kitchen, cooking equipment and fire suppression requirements.

Our team can review your enquiry and discuss suitable options for installation, inspection, servicing or maintenance, including a site visit where appropriate.

Call 03300 417 170, email sales@sssystems.co.uk or visit our Contact Us page.

Advice When Choosing and Maintaining Commercial Kitchen Fire Suppression Systems

Before selecting a kitchen fire suppression system, review your fire risk assessment and identify the hazards associated with your cooking equipment and working practices.

Consider the types of appliances, cooking temperatures, oils and fats, extraction arrangements and the potential for fire to spread beyond the immediate cooking area.

A competent fire safety professional can help establish whether your kitchen needs fixed suppression and how it should fit into the building’s wider fire safety strategy.

Different cooking appliances present different fire risks. Choose a suppression system that provides suitable protection for the equipment your kitchen uses.

Important considerations include:

  • Deep-fat fryers – Assess the risk of high-temperature cooking oil fires and re-ignition.
  • Grills and griddles – Consider grease accumulation and the potential for flames to spread.
  • Wok ranges – Review the operating temperatures, cooking methods and equipment configuration.
  • Ranges and hobs – Check the cooking hazards and the system’s approved appliance coverage.
  • Extraction canopies – Assess whether the hood, plenum and ductwork require protection.
  • Future equipment changes – Consider whether planned kitchen alterations could affect the original suppression design.

Ask the system designer to confirm that the proposed equipment and nozzle arrangements match the system’s tested and approved applications.

Choose a kitchen fire suppression system with appropriate evidence of testing, approval and suitability for your commercial cooking risks.

BS EN 17446:2021+A1:2024 covers the design, documentation and testing of fixed fire extinguishing systems for commercial kitchens. Other standards and approval schemes may also apply, depending on the product and installation.

Ask your provider to explain which standards, product approvals and manufacturer requirements apply to the proposed system.

Where relevant, check the provider’s competence and registration under an appropriate scheme, such as BAFE SP206. Do not assume that a company’s general fire safety accreditation covers every specialist suppression activity.

A kitchen suppression system should operate alongside the appropriate emergency controls and procedures.

Discuss the following with your system designer:

  • Automatic activation – How the system detects a fire and releases its extinguishing agent.
  • Manual activation – Where staff can safely operate the manual release device.
  • Fuel isolation – Which gas or other fuel supplies need to shut off when the system activates.
  • Electrical isolation – Whether the design requires specific cooking equipment or circuits to disconnect.
  • Fire alarm integration – How the suppression system communicates with the building’s alarm arrangements.
  • Ventilation controls – How the extraction and supply-air systems should respond during activation.

The required sequence depends on the system approval, applicable standards and kitchen design. A competent specialist should confirm these arrangements during commissioning.

Grease accumulation in extraction systems can increase the risk of fire spreading beyond the cooking equipment.

Arrange suitable cleaning of extraction canopies, filters, plenums and ductwork according to the kitchen’s usage and assessed risks.

Coordinate cleaning activities with the suppression maintenance provider where practical. Cleaning contractors must avoid damaging nozzles, detection components and other suppression equipment.

Remember that a kitchen fire suppression system does not replace regular extraction cleaning, safe cooking practices or appropriate fire prevention measures.

Regular maintenance helps keep your kitchen fire suppression system ready to operate when needed.

Your maintenance arrangements should include:

  • Routine visual checks – Look for obvious damage, obstructions and changes around protected equipment.
  • Nozzle inspection – Check that discharge points remain correctly positioned and unobstructed.
  • Detection equipment – Arrange suitable checks of the system’s approved detection components.
  • Controls and interfaces – Test relevant activation, isolation and alarm functions as required.
  • Extinguishing agent – Check the condition and quantity of the agent according to manufacturer instructions.
  • Service records – Keep inspection reports, maintenance documents and details of corrective work.

Many kitchen suppression systems require specialist servicing every six months under their manufacturer instructions or approval conditions. Ask your maintenance provider to confirm the correct interval for your installation.

Kitchen staff should understand how the suppression system works and what actions to take if a fire occurs.

Training should cover:

  • How to recognise and raise the fire alarm.
  • The location and purpose of the suppression system’s manual activation device.
  • When and how authorised staff should activate the system manually.
  • The importance of keeping a safe distance from a fire.
  • How to evacuate using the designated escape routes.
  • Why staff must not restart cooking equipment after a suppression discharge.
  • How to report faults, damage or changes to protected appliances.

Remind employees that personal safety comes first. Staff should never put themselves at risk by attempting to control a fire.

Choose a provider with relevant experience in commercial kitchen fire suppression systems and the equipment installed at your premises.

Ask about system approvals, specialist competence, installation arrangements, maintenance requirements and the support available after activation.

Your provider should explain how the proposed system protects your cooking equipment, how it interacts with other safety systems and what documentation you will receive.

SS Systems provides commercial kitchen fire suppression services alongside wider fire protection solutions. Contact the team to discuss your premises and the protection your kitchen may require.

Bonus Tip: Whenever you replace, relocate or add cooking appliances, ask your suppression provider to review the existing system before using the new layout. Even a small equipment change can affect nozzle positioning, detection arrangements and the protection your kitchen needs.

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SS Systems partner with leading UK based manufacturers to ensure that the fire detection and alarm systems we provide are at the forefront of current technology, along with being the most reliable our industry has to offer.

Externally Monitored to Ensure that we meet a High Standard of Service.

As members of the SSAIB (Security Systems and Alarms Inspection Board), We maintain service records and monitor our success. The SSAIB, is a leading certification body for organisations providing security systems and services, fire detection alarm systems, and monitoring services. So, you can be confident that we strive to provide our clients with a reliable and professional level of service.

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