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Gas Interlock Systems

Repeated lockouts, failure to enable gas or changes to extraction need investigation. Record the sequence and indications shown. An interlock stopping the appliances may be responding to a ventilation fault; replacing the control panel without assessing that condition can leave the cause unresolved.

Tell us what needs doing

Describe the outcome required as well as the immediate issue. The starting information should identify the location, people affected and any change in use, so the assessment addresses the current requirement rather than simply repeating the previous arrangement.

What the service can include

The scope identifies the interlock, ventilation inputs, gas-control interface and relevant safety functions. Assessment and repairs are coordinated between the appropriate gas, electrical and ventilation competence. Records describe the functions checked and any restriction remaining.

Decisions that shape the service

The interlock's purpose is to prevent gas appliance operation when the required ventilation conditions are not met. A manual bypass is not an acceptable substitute for resolving the fault. The actual installation and control method must be established before selecting changes.

The proposal identifies the responsibilities that remain with the site or property team and the work included in our instruction. Connected repairs and specialist activities receive their own clear scope, so each person understands what they must arrange and what records they will receive.

Assessment and preparation

Provide the premises details, visible indications and recent changes to appliances or fans. Identify the owner of shared extraction and the authorised gas-service contact. Arrange access to the relevant components without altering or bypassing controls.

How the service proceeds

We establish the intended sequence and investigate the relevant inputs and equipment. The repair scope addresses the identified cause and interfaces. Completion includes the agreed functional checks and records, with operator information and unresolved matters clearly stated.

The property owner receives a clear account of the work and any follow-up required. Where premises are occupied, we agree the relevant notices, access and handback arrangements so users understand what has changed and who to contact afterwards.

Cost, timing and disruption

Control type, available records, access and the underlying fault affect cost. A ventilation repair may be needed alongside controls work. Plan coordinated attendance and the period when gas equipment remains unavailable.

Agree access, occupant communication and any associated reinstatement before work starts. For a remotely managed property, identify the local contact and approval route so findings can receive a decision without losing the detail needed by the owner.

Property and sector applications

Managing agents need responsibilities and approvals connected to the correct owner. Residential blocks need communal and individual areas distinguished. Retail and hospitality need work coordinated with customers and occupiers. Our complete service and project offering supports all sectors, with scope suited to the property and the people using it.

Local coverage

We cover Northumberland, Tyne and Wear, County Durham and Tees Valley, including Berwick-upon-Tweed, Alnwick, Morpeth, Hexham, Newcastle, Gateshead, Sunderland, Durham, Darlington, Hartlepool, Stockton-on-Tees and Middlesbrough. View all locations.

For several properties, provide separate access and occupancy information. A remote owner can nominate a local representative while retaining a clear route for approving the work.

Frequently asked questions

Can the interlock be bypassed to keep cooking?

No. Resolve the underlying condition through the appropriate assessment and repair.

Does a lockout prove the panel has failed?

No. It may be responding to the ventilation system or another relevant input.

Should interlocks be reviewed after fan changes?

Yes. Confirm that the revised equipment and controls provide the required operating sequence.

Who authorises work affecting shared extraction?

The responsible owner or manager must agree access and changes alongside the kitchen operator.

Knowledge and guidance

Read how often kitchen extraction should be cleaned and setting maintenance frequencies. Official guidance provides the relevant context for this service. Browse the Knowledge Centre.

Related services and your next step

Explore Commercial Kitchen and Catering Equipment, Commercial Kitchen Gas Safety. See maintenance, Minor Works, the full services and projects directories.

Contact Black & White Property Services with the address, requirement and relevant property information. Include the owner or manager responsible for access and decisions so the proposal covers the complete job.

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