To Know How - GROHE

Thermostat shower mixer 34 624 Thermostat bath mixer 34 334
Maintenance instructions
Shut off hot and cold water supply!
Please perform disassembly in specified order. Assemble in reverse order.
Thermo-element:
1. Unscrew and remove screw and pull off temperature
control handle.
2. Screw off regulating nut.
3. Pull off stop ring.
4. Remove thermoelement using a 24mm open-ended
spanner.
Installation instruction: Ensure that the stop ring is fitted
in its original position [groove offset by 45°].
Non-return valve:
1. With a 30mm open-ended spanner, unscrew mixer
from unions.
2. Remove dirt strainer.
3. Remove union nipple using a 12mm allen key by
turning clockwise (left-hand thread).
4. Remove non-return valve.
Headpart:
1. Pull off shut-off handle.
2. Unscrew and remove screw and pull off snap insert.
3. Unscrew and remove ceramic headpart using a 17mm
open-ended spanner.
Diverter:
1. Screw off cap.
2. Screw off nut using a 7mm open-ended and remove
diverter knob.
3. Unscrew and remove headpart using a 13mm
open-ended spanner and remove spring.
4. Pull off locking washer from the diverter spindle.
5. Unscrew and remove outlet connection nipple using a
12mm allen key.
Readjustment is necessary after each maintenance
operation on the thermostatic cartridge (s. page T 38)
T 6