Buderus GB162-65 Installation Instructions Manual page 9

Removing the non-return valve
Remove the non-return valve before installing the
heating flow and return circuits otherwise it cannot be
fully removed anymore!
 Remove the pump (fig. 5, item 1).
 Remove the flat rubber seal (fig. 5, item 2).
 Remove the non-return valve (fig. 6, item 1).
This will damage the non-return valve beyond repair.
DAMAGE TO THE UNIT
due to reduced flow or pipes becoming
clogged up.
 Make sure that no fragments of the non-
return valve stay behind in the pipe.
 Rotate and shake the pump group.
pump group Logamax plus GB162-65/80/100 - Subject to modifications resulting from technical improvements!
fig. 5 Removing the pump
fig. 6 Removing the non-return valve
fig. 7 Removing the non-return valve
Installation 5
1
2
1
1
9