Certikin Gas Leak or Incomplete Combustion

Strong smell of gas around the Certikin pool heater, especially when attempting to ignite.

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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 heater inlet, Damaged gas valve or manifold on Certikin heater, Cracked burner or misaligned injectors, Flue blockage causing fumes to spill

How to Fix / Troubleshooting

Critical safety warning: If you smell gas, do not operate the heater, do not create sparks, and do not use naked flames.

  • Shut off gas: Turn off the gas isolation valve to the heater immediately.
  • Ventilate area: Open doors and windows to disperse gas. Do not switch electrical equipment on or off.
  • Evacuate if strong smell: If the smell is strong or widespread, evacuate the area and contact the gas emergency service.
  • Do not relight: Do not attempt to relight or reset the heater until it has been inspected.

A Gas Safe (or local equivalent) engineer must locate and repair any gas leaks and verify safe combustion and flue operation.

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Repair Difficulty

Professional Required 5/5

Required Part

Certikin gas valve / gas manifold / burner
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