Furnace emits a gas smell around the unit, especially at start-up
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: If you smell gas strongly: do NOT operate electrical switches, do not use open flames, and ventilate the area. Turn off the gas supply at the main shutoff if safe to do so and leave the building. Call your gas supplier or emergency services immediately.
- Do not attempt repairs: Gas leaks must only be handled by licensed gas engineers.
- Do not relight: Do not attempt to restart the furnace until it has been inspected and declared safe.
Repair Difficulty
Required Part
We may earn a commission from links on this page.