Calibration of a thermostat

How to calibrate your GROHE thermostat

To get your shower or bath water temperature right, it is important that the thermostat is being calibrated. This is a simple procedure with a GROHE thermostat.

1. Open the shut-off valve and check the temperature of the water with a thermometer.
2. Lever out cap.
3. Remove screw.
4. Detach temperature control handle.
5. Turn regulating nut until the water temperature has reached 38 °C.
6. Install temperature control handle so that button points towards the front.
7. Screw in screw.
8. Refit cap.

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