To Know How - GROHE

Thermostat shower mixer 34 692 Thermostat bath mixer 34 450
Maintenance instructions
Shut off hot and cold water supply!
Please perform disassembly in specified order. Assemble in reverse order.
Thermo-element:
1. Loosen screw (A) and remove cap.
2. Unscrew and remove screw (B) and pull off
temperature control handle.
3. Screw off regulating nut.
4. Pull off stop ring.
5. Unscrew and remove thermoelement using a 24mm
open-ended spanner.
Non-return valve:
1. With a 36mm open-ended spanner, unscrew and
remove mixer from unions.
2. Remove dirt strainer.
3. Remove union nipple using a 17mm allen key by
turning clockwise (left-hand thread).
4. Remove non-return valve.
5. Screw off shower hose. Remove locking ring.
6. Remove non-return valve.
Headpart:
1. Loosen screw (C) and remove cap.
2. Unscrew and remove screw (D) and pull off volumeadjustment
knob.
3. Remove economy stop.
4. Unscrew and remove ceramic headpart using a 17mm
open-ended spanner.
Readjustment is necessary after each maintenance operation
on the thermostatic cartridge. (s. Seite T 61).
How to adjust economy stop, s. Seite T 65
T 28