IBC Delayed Ignition

Boiler ignites with a loud pop or boom at startup.

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.

Possible Causes

Dirty burner or ignition electrode, Incorrect electrode gap or position, Low primary air due to blocked intake, Incorrect gas pressure or mixture

Safety: Delayed ignition can be dangerous. Turn off the boiler and do not continue to reset it repeatedly.

Inspect intake: Ensure the combustion air intake is clear and unobstructed.
Professional cleaning: A technician should remove and clean the burner, verify electrode condition and gap, and perform a combustion analysis.

Do not attempt to adjust gas valve settings yourself. This fault must be corrected by a licensed gas technician.

Professional Required 5/5

Burner Assembly

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