Boiler or surrounding area smells of gas when the boiler is operating or shortly after.
Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
Possible Causes
How to Fix / Troubleshooting
Danger: If you smell gas, immediately turn off the gas at the meter, open windows and doors, do not use electrical switches, and evacuate the area. Call the gas emergency number and a Gas Safe engineer.
Do not attempt to tighten gas fittings or open the boiler casing yourself. Only a qualified gas engineer may work on gas components.
Repair Difficulty
Required Part
We may earn a commission from links on this page.