Utica Delayed Ignition

Boiler ignites with a loud bang or pop (delayed ignition)

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, Improper electrode position, Low primary air, Incorrect gas pressure

Safety first: Turn off power and gas. Delayed ignition can damage the boiler and venting.

Clean burner and combustion area: Remove the burner and clean ports and surfaces of dust and debris.
Check electrode gap: Verify the spark electrode gap and position per Utica specifications.
Do not adjust gas pressure: Gas pressure and air settings must be checked and adjusted by a technician with proper instruments.
Professional service: Have a qualified technician perform a full combustion check and adjustment.

Professional Required 5/5

Ignition Electrode Assembly

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