Viessmann Vitopend 100-W Installation And Service Instructions Manual page 108

Parts lists rated heating output 22 kW, 24 kW, 30 kW and 36 kW
Heat cell assembly
0001
0004
0002
0001
0004
0009
0008
0004
Pos. Part
0001 Venturi
0002 Fan
0004 Fixing parts (set)
0005 Flue gas heat exchanger
108
0011
0004
0012
0004
0013
0004
0005
0007
0006
0004
0010
0004