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13.Cleaningtheheatexchanger
The heat exchanger can be cleaned under pressure
and with swung out combustion chamber.
Push the combustion chamber module upwards
(loosen if necessary).
Then rotate and remove it downwards.
Cleaningthecobustionchamber
Never use a metal brush for cleaning as this
will destroy the protective coating of the nned
tube
Cleanresiduesfromthecondensatepan
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