16. Replace the non-return valve
Warning!
All non-return valves must be replaced at once.
Failure to observe this instruction can result in an increased germ load in the
drinking water and thus pose a health or mortality risk.
☞
The non-return valve forms part of the guide socket (a).
16.1 Remove the fitting (see
16.2 Replace the guide socket (a).
16.3 When necessary, replace the O-rings of the guide socket (b).
16.4 Reassemble in reverse order.
17. Replace the aerator
17.1 Remove the aerator, using an open-ended wrench.
17.2 Replace the aerator.
18. Replace the functional element
18.1 Disassemble the pressure cap up to the temperature stop ring (see
☞
Important!
When removing the functional element, ensure that the cartridge (a) remains in the
fitting.
18.2 Replace the functional element (b).
18.3 Set the temperature limits (see
chapter
14.).
chapter
13.).
step 13.1
to 13.9).
9