Boiler emits a strong smell of gas near the appliance, regardless of operation state.
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
Critical safety warning: If you smell gas, do not operate any electrical switches near the boiler, do not use naked flames, and do not smoke.
- Turn off the gas supply at the emergency control valve if safe to do so.
- Open windows and doors to ventilate the area.
- Evacuate the property if the smell is strong or widespread.
- Call the gas emergency service or a qualified gas engineer immediately from outside the property.
Do not attempt any repairs yourself. A qualified engineer will perform leak detection, tighten or remake joints, and replace any faulty gas components.