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Servicing Hints

  • If heating is not working, check pilot light/programme setting before calling an engineer.
  • Annual servicing ensures problems are identified before they become a problem.
  • Sludge reduces system life & efficiency, and causes radiator cold spots - sludge can be removed by Powerflushing the system.

Gas Safety

Please do not notify British Gas of gas leaks over the internet, phone Transco's emergency number immediately on Freephone 0800 111 999. It's open 24 hours a day 365 days a year. The gas emergency service is provided by the national gas pipeline company Transco.

What's the first thing you should do if you smell gas?

Step 1: Open windows and doors to get rid of the gas.

Step 2: Check to see if the gas has been left on, or if a pilot light has gone out. If so, turn the appliance off. If not, there could be a gas escape.

Step 3: Turn the main gas tap to the "OFF" position. The supply is "OFF" when the ridged line on the spindle is across the pipe. Then phone Transco's emergency number Freephone 0800 111 999 immediately.

It is not recommended to use a mobile phone if in the vicinity of a gas leak.


  • Turn any electrical switches (including doorbells) on and off. You can, however, use the telephone to call the emergency number.
  • Smoke
  • Use matches or naked flames
  • Leave it to someone else to call - you could be putting yourself or others at risk. If in doubt, phone the gas emergency service number on 0800 111 999.

How to turn the supply on or off

Do you know where the main gas control tap is in your home? If not, do check - it's usually near the gas meter. If your gas tap is in a meter box be sure to keep the key handy.

Turning your gas supply OFF:

Step 1. Turn off all appliances and pilot lights.

Step 2. Turn the main gas tap to the off position. It is off when the ridged line on the spindle is across the pipe.

Turning your gas supply ON:

Step 1. Turn off all appliances and pilot lights.

Step 2. Turn the main gas tap to the on position. It is on when the ridged line on the spindle is in line with the pipe.

Step 3. Following the user instructions for your gas appliances, re-light any pilot lights and check that they are working.

Tenants Please Note:

Landlords are required by law to keep a record of when your gas appliances were checked, any defects found and remedial action taken. Failure to do so is a criminal offence.

Ask to see it now.

Carbon Monoxide

In normal circumstances, gas appliances are safe and reliable to use. However, they must be professionally installed, and checked and serviced annually by a properly trained and registered engineer.

Ventilation to the appliance may become obstructed, the flue may become blocked or damaged or other changes may occur, so it is also important to have the appliance checked if building work is carried out or other major changes are made which could affect the ventilation.

If the ventilation is reduced or your gas appliances are not working properly, they could begin emitting carbon monoxide. Carbon Monoxide kills many every year, many of them young people living in rented accommodation. But Carbon Monoxide poisoning can happen to both people and animals, anywhere, at any time.

Carbon Monoxide, often referred to as "the Silent Killer" for its frightening capacity to strike without warning, is hard to detect as it cannot be seen, tasted or smelled.

Tell-tale signs to look for

If a gas appliance is not working properly, it can start to show signs that it needs a service sooner than expected. However, looking for these clues is not a foolproof way of predicting when things will go wrong, as problems can occur without clear warning for a variety of reasons. Nevertheless, for gas appliances you need to look out for:

  • Staining, sooting or discolouration on the appliance or around the appliance.
  • A yellow or orange flame could mean Carbon Monoxide is present if the appliance normally burns with a blue flame.
  • A strange smell when the appliance is on.

Health Clues

Symptoms of Carbon Monoxide poisoning can seem like flu, so it is important to be aware of the main signs:

  • Headaches, chest pains or muscular weakness
  • Sickness, diarrhoea or stomach pains
  • Sudden dizziness when standing up
  • General tiredness and fatigue

What you should do

Should you recognise any of these warning signs then follow these simple steps. First ventilate the house by opening doors and windows, turn off the gas supply to all appliances, move all occupants to the fresh air and then contact the Transco Gas Emergency Service free on 0800 111 999. An emergency call-out service is available on this number 24 hours-a-day, 365 days-a-year.

In extreme cases, where the victim is losing consciousness for instance, immediately dial 999 for an ambulance. If you have been exposed to Carbon Monoxide please seek medical advice.

Tenants and Landlords

The Gas Safety (Installation and Use) Regulations 1998 were implemented by the Government to ensure that all gas appliances and installation pipework installed in rented homes and in workplaces are as safe as possible. By law, a landlord must have all gas appliances serviced at least once a year by a properly trained and qualified engineer.

For your safety, if you are a student or tenant, you must check that your landlord has a valid Landlords Gas Safety Certificate for the property you are renting

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