Termet Gas Leak at Boiler Connections

Boiler produces a strong smell of gas near the appliance, with or without operation.

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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 Termet gas valve inlet, Damaged gas pipe or olive, Faulty gas valve body, Inadequate sealing compound on threaded joints

How to Fix / Troubleshooting

Emergency safety warning: If you smell gas, do the following immediately:

  • Do not operate electrical switches or create sparks.
  • Open windows and doors to ventilate the area.
  • Close the gas isolation valve to the boiler if it is safe to reach.
  • Evacuate the area and contact your gas emergency service and a licensed gas technician.

Do not attempt to tighten gas fittings yourself unless you are qualified. The boiler must remain off until a professional has pressure-tested and repaired the leak.

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Repair Difficulty

Professional Required 5/5

Required Part

Gas Valve Inlet Union / Gas Pipework
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