To Know How - GROHE

Thermostat shower mixer 34 027
Maintenance instructions
Shut off hot and cold water supply!
Please perform disassembly in specified order. Assemble in reverse order.
Thermo-element:
1. Pull off temperature selection handle.
2. Remove clip.
3. Pull off stop ring.
4. Pull off regulating nut with overload unit.
5. Unscrew and remove thermoelement using a 22mm
open-ended spanner.
The overload unit must be screwed as far as possible into
the regulating nut (left-hand thread).
Observe the correct installation position of the stop ring.
Non-return valve:
1. Disassemble mixer in reverse order, see Fig. [1].
2. Remove dirt strainer.
3. Remove union nipple using a 12mm allen key by
turning clockwise (left-hand thread).
4. Remove non-return valve.
5. Screw off shower hose and remove non-return valve.
Readjustment is necessary after each maintenance operation
on the thermostatic cartridge. (s. page T 62)
T 36