30
Checking and cleaning the flue gas heat exchanger
When undoing the fittings on the heating
water side, counterhold the torque with a
second open-ended spanner.
Note
If required, clean the flue gas heat
exchanger with compressed air or with a
soapy solution and flush with clean
water.
Installation with new gaskets.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5848 649 GB
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