Viessmann Vitopend 100-W Installation And Service Instructions Manual page 96

Parts lists rated heating output 18 kW
Hydraulic assembly, system boiler, 18 kW (heat only)
Pos. Part
0001 Diaphragm expansion vessel
0002 Connection pipe, heating return
0003 Connection pipe, heating flow
0004 Gasket set
0005 Set of fuse elements
0006 Temperature sensor
0007 Connection pipe, diaphragm expansion vessel
0008 Pressure sensor
0009 Hydraulic block
See hydraulic block assembly, system boiler (heat only)
Hydraulic block assembly, system boiler, 18 kW (heat only)
96
0004
0003
0012
0013
0017
0006
(cont.)
0005