To Know How - GROHE

Thermostat mixer 35 085
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, remove cap, unscrew and
remove screw and pull off temperature control handle.
2. Screw off regulating nut, pull off complete stop ring
with mixed water stop.
3. Lever off cover ring.
4. Unscrew and remove all six screws using a 3mm allen
key.
5. Screw three screws into the threaded holes in the
flange on the thermoelement and in this way push the
thermoelement out of the housing.
6. Unscrew the three screws again.
Non-return valve:
1. Screw off cap.
2. Unscrew and remove non-return valve with dirt strainer
cartridge using a 10mm allen key.
Thermal Desinfection:
1. Unscrew and remove screw, remove cap.
2. Pull out red safety stop to the stop.
3. Turn temperature control handle to the hot water end
stop.
4. Open draw-off points and allow hot water at a
minimum temperature of 70 °C to run for three
minutes.
5. Turn temperature control handle to the cold water end
stop.
6. Press red safety stop back in.
7. Fit cap and replace screw.
8. Set temperature control handle to the desired mixed
water temperature.
Readjustment is necessary after each maintenance operation
on the thermostatic cartridge. (s. page T 38).
T 34