Ideal Gas Leak / Unsafe Gas Escape

Strong smell of gas near the furnace, especially during or after 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 Ideal gas valve, cracked gas pipe, faulty gas valve not sealing, leaking burner manifold gasket

How to Fix / Troubleshooting

Critical safety warning: A gas leak is extremely dangerous. Do not operate the furnace, do not use electrical switches, and do not use open flames.

Immediate actions:

  • Shut off gas: Turn off the gas supply at the nearest isolation valve to the furnace or at the meter if safe to do so.
  • Ventilate: Open windows and doors to disperse gas.
  • Evacuate if strong smell: Leave the building and call the gas emergency number or a qualified gas engineer from a safe location.
  • Do not relight: Do not attempt to relight or reset the furnace until it has been inspected and declared safe by a professional.
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Repair Difficulty

Professional Required 5/5

Required Part

Gas Valve Assembly
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