Fondital Condensate Management / Flue Installation Issue

Boiler flue terminal shows white staining and there is excessive condensate dripping outside

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 slope of Fondital concentric flue, Blocked condensate drain in boiler, Oversized flue length causing condensation, Damaged flue seals

Safety: Condensate is mildly acidic; avoid prolonged skin contact.

User checks:

Visual inspection: From outside, check if condensate is dripping from joints instead of the terminal.
Report details: Note when dripping occurs (only during operation or continuously) for the technician.

Technician actions:

Check and correct the flue slope towards the boiler as per Fondital instructions.
Inspect and clean the condensate trap and internal drain.
Inspect flue seals and joints; replace any damaged components.

Medium 3/5

Fondital Concentric Flue Kit

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