Pennco
Gas Leak at Boiler
Boiler smells like gas near the unit
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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, Cracked gas valve body, Leaking burner manifold, Faulty pipe joint sealant
How to Fix / Troubleshooting
Emergency safety warning: If you smell gas strongly, do not operate any electrical switches, do not use open flames, and evacuate the building. Call your gas supplier or emergency services from outside.
- Shut off gas: If safe, close the manual gas shutoff valve to the boiler.
- Do not attempt repairs: Gas piping and valve repairs must be done by a licensed gas technician.
- Leak test: A professional will perform a leak test with approved methods and repair or replace leaking components.
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Repair Difficulty
Professional Required
5/5
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