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Thermo 90 S / Thermo 90 ST 9Repair
905
Fig. 903 Changing the temperature limiter and temperature sensor
6
5
1
2
3
4
1 Protective cap
2 Clip
3 Temperature limiter
4 Heat exchanger
5 Round sealing ring
6 Temperature sensor
NOTE
A Thermo 90 ST heater is shown. In the
Thermo 90 S heater, the control unit can also be
arranged on the combustion air fan without
having any effect on changing the temperature
sensor.