Baxi Delayed Ignition

Furnace ignites with a loud boom or pop

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, Incorrect electrode position, Low or inconsistent gas pressure, Slow-opening gas valve

Safety: Turn off the appliance and do not continue to operate it with explosive ignition.

Clean burner: A professional should remove and clean the Baxi burner and check all ports are clear.
Check electrode gap: Verify ignition electrode position and gap per Baxi specifications.
Gas checks: A gas engineer must verify inlet pressure and gas valve operation.

Professional Required 5/5

Main Burner and Ignition Electrode

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