Baxi Wind-Induced Flue Disturbance

Furnace locks out intermittently during windy weather

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

Incorrect flue terminal location, Damaged flue terminal, Negative pressure in boiler room, Flue not adequately supported

Safety: Do not modify the flue yourself; incorrect flueing is dangerous.

Inspect terminal: Check that the Baxi flue terminal is intact and not damaged or loose.
Check surroundings: Ensure no new structures or vents have been added near the flue that could cause turbulence.
Room ventilation: Make sure any required ventilation openings to the boiler room are not blocked.
Professional flue assessment: A heating engineer should assess flue routing and terminal position against Baxi installation instructions.

Hard 4/5

Flue System and Terminal

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