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maintenance guide
41
Tools
Time
5 min
1
After opening the control boz, disconnect
the electrical plug connectors
Unscrew the two screwa and remove the
PCB
Tools
Time
5 min
1
Drain boiler (see 3.3). Remove the clip and pull the fl ow
switch assembly towards you
Twist the fl ow switch assembly to disengage
C.H. Filter
D.H.W. Flow Switch assembly (E-COMBI)