Viessmann Vitodens 242-F Installation And Service Instructions Manual page 134

Parts lists
Hydraulic assembly
Pos. Part
0045 Cap G 3/4 SW 30
0046 Gasket A 10 x 15 x 1.5 (5 pce)
0047 O-ring 17.86 x 2.62 (5 pce)
0048 O-ring 14.3 x 2.4 (5 pce)
0049 Spring clip DN 25 (5 pce)
0050 Plug
0051 Gasket A 23 x 30 x 2, orange (5 pce)
134
(cont.)