Grohe 19 843 Instructions De Montage page 8

Winterizing the system
It is recommended that the "pressure balancing cartridge"
be removed from the valve body if the system is to be shut off
during the winter.
Maintenance
Important note: If the control unit is to be removed from
the rough-in for servicing, first close the inlet stops then
open the flow control to allow any internal pressure to be
released from within the unit.
10a
Type #1
19 843
10b
Type #2
19 844
11
5
English
Inspect and clean all parts, replace if necessary and grease
with special valve grease.
Close the integrated service stops!
I. Non return valves, see Fig. [10a] or [10b] and [11].
Install in reverse order.
Open the integrated service stops!
Replacement parts, see page II (* = special accessories).
Care
Instructions for care of this faucet will be found in the Limited
Warranty supplement.