Vaillant ecoTEC Series Installation Manual page 29

...
...
2.1a
0020140011 [1]
M8 x 75
DN65: 0020140010 [12]
DN100: 0020139990 [13]
0020149478_05
...
071935 [11]
2.1b
0020140011 [1]
M8 x 75
DN65: 0020140010 [12]
DN100: 0020139990 [13]
2
2
0020139991 [11]
071935 [11]
29