Gaz
octobre 30, 2026 · 9 min read
Gaz
Gas guides.
Boilers, testing and gas safety, done properly.
Boiler condensate trapHow it works, signs of a blockage and maintenance risks.
Gas tightness testingPass or fail criteria, allowable pressure drops and common pitfalls.
What does a gas leak smell like?Recognising a leak and what to do straight away.Boilers and common faults
Testing, bonding and compliance
Gas safety and leaks
Controls and components
Gas work in Great Britain must be done by a Gas Safe registered engineer. If you smell gas, call 0800 111 999.
Calculators.
Free gas and plumbing calculators with textbook equations and the working shown.
Questions.
Who can work on gas appliances in the UK?
In Great Britain, anyone carrying out gas work must be on the Gas Safe Register. Check the engineer’s Gas Safe ID card, which lists the types of work they’re qualified to do.
What should I do if I smell gas?
Call the National Gas Emergency number on 0800 111 999. If it’s safe, turn the gas off at the meter, open doors and windows, and don’t use naked flames or operate electrical switches.
How often do landlords need a gas safety check?
Every 12 months. Landlords must have each gas appliance and flue they provide checked by a Gas Safe registered engineer and give tenants a copy of the record.
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