Heater emits a strong gas smell around the unit, especially at startup
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
Safety first: If you smell gas strongly, shut OFF gas at the main shutoff valve, turn OFF power, evacuate the area, and do not operate electrical switches nearby. Call your gas supplier or emergency services if the smell is strong or widespread.
- Do not relight: Do not attempt to restart the heater until the source of the leak is found and repaired.
- Leak test: A qualified technician should apply an approved leak detection solution to all gas joints and observe for bubbles.
- Inspect burners: Have the burner tray removed and inspected for cracks, rust-through, or misalignment that could cause delayed ignition.
Warning: Gas leaks are extremely dangerous. This issue should be handled only by licensed gas professionals.