Repairing heating and hot water systems

This includes anything to do with the night storage heaters, boiler, pipework or temperature of your hot water. If your issue is to do with just your radiators please go back to the search box and type in radiators. If you spot an issue with your radiators such as leaks or that could cause an accident please report this to us.

Have you tried?

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Do you have working heating but no hot water? Back to top

If yes – do you have a combination boiler?

If yes – please call us to talk this through.

If no – do you have a cylinder in the airing
cupboard as well?

Please check your programmer.

If this is not working, switch on the immersion. This will be a white switch on the wall in the airing cupboard.

Do you have hot water, but no heating? Back to top

Do you have a combination boiler? If so please check your room stat/programmer. Is it flashing? Some are radio frequency controlled and the batteries may need replacing.

Do you have gas and no heating or hot water? Back to top

Do you have another gas appliance such as a cooker?

Try lighting the hob. If it lights you have a gas supply. If it does not light, please check your gas supply.

If you pay for your gas quarterly

  • Make sure the yellow gas cock directly below the boiler is in the on/open position

If you pay using a top-up card

  • Check the LCD screen on your gas meter . Does this say ON?
  • It if does not say ON, your meter has locked out. Please insert your top-up card and follow the instructions on the gas meter screen.

Check for fault codes Back to top

Is there a fault code flashing on the front of the boiler?

If it is flashing, put the fault code, make and model of your boiler into Google, (for example Boiler Make - Glow Worm Model - 30CXi Fault code - F1). This should help you see what the problem is.
If your fault code says “low central heating system pressure”, or “temperature fault”, check the pressure gauge and top up as required.

If your fault code says "no ionisation", or "interrupted gas supply", try resetting the boiler. If this still does not solve the problem, please contact us.

Can you see 'communication fault' flashing on your thermostat controller? Back to top

First of all check to see if your boiler is running. 

This type of issue can be caused by low battery power on your radio thermostat, which controls your boiler. This can be resolved by replacing the battery in your thermostat. 

Can you see a fault code reading 'no ignition' on your boiler ? Back to top

To fix this fault, turn your boiler off and then restart it by turning it back on. This should kick start your boiler.

Check the pressure on your boiler Back to top

Please look for a small round pressure gauge with a number bar of 1-3. Check to see if the pressure is over 1 bar. If not, attempt to top up to 1 bar using the valve at the end of the hose.

Have you adjusted the pressure indicator on the pressure gauge on your boiler? Back to top

Most boiler re-pressurising can be done from the lever located directly underneath your boiler. You will only need to make a small and slow adjustment turn to increase the pressure. Please see your boiler instruction manual or do an internet search to find out how to do this on your specific boiler model. 

Have you restarted your boiler? Back to top

There is no harm in turning your boiler off and then on again. The buttons are made for use and you can refer to your instruction manual or do an internet search to find out how to do this.

Is your gas meter working? Back to top

Meter issues are the responsibility of the gas supplier. If you have a low battery notice on your meter or it is a meter fault (of any description) please contact your gas supplier.