Dettson
Gas Leak / Delayed Ignition
Boiler emits a strong gas smell near the unit, especially before ignition
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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.
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Possible Causes
Loose gas union at Dettson gas valve, Cracked burner manifold, Delayed ignition due to dirty burner, Faulty gas valve not closing fully
How to Fix / Troubleshooting
Safety: If you smell gas, do not operate any electrical switches, do not use open flames, and evacuate the area. Shut off the main gas supply if it is safe to do so and call your gas supplier or emergency services.
- Do not attempt repair: Gas leaks and delayed ignition must be handled by a licensed gas technician.
- Technician tasks: A professional will perform a leak test on all Dettson boiler gas connections, inspect and clean burners, and verify proper ignition timing. Any leaking components must be replaced.
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Repair Difficulty
Professional Required
5/5
Required Part
Dettson gas valve and burner manifold
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