Checking And Cleaning The Flue Gas Heat Exchanger - Viessmann Vitopend 100-W Installation And Service Instructions Manual

Further details regarding the individual steps

Checking and cleaning the flue gas heat exchanger

4x
When undoing the fittings on the heating
water side, counterhold the torque with a
second open-ended spanner.
Commissioning, inspection, maintenance
(cont.)
Note
Clean the flue gas heat exchanger if
required, with compressed air or with a
soapy solution and flush with clean
water.
Installation with new gaskets.
29