La Cornue
Gas Leak at Connection or Valve
Strong gas smell around range, especially when burners or oven are off
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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 connection at rear of range, Damaged flexible gas hose, Leaking manifold or burner valve, Improperly converted orifice leaking
How to Fix / Troubleshooting
Critical safety warning: If you smell strong gas, do not operate any electrical switches, do not use open flames, and evacuate the area. Contact your gas supplier or emergency services immediately.
- Shut off gas: If safe to do so, close the manual gas shutoff valve to the range.
- Ventilate: Open windows and doors to disperse gas.
- Leak detection: Once the area is safe and with gas turned back on, a qualified technician should apply a soap solution to all accessible joints and watch for bubbles indicating leaks.
- Repair/replace components: Tighten fittings to specified torque, replace damaged flex hoses, and replace any leaking valves or manifolds with La Cornue‑approved parts.
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Repair Difficulty
Professional Required
5/5
Required Part
Gas Manifold Assembly
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