Technical data
SERVICING AND SPARES
6 720 648 547 (2012/06) 39
Primary sensor
▶ Press retaining clip on plastic moulding and pull upwards until clear of
pocket in heat exchanger.
▶ Separate sensor from connector, coat new sensor with heat
conductive paste and replace.
Overheat thermostat
▶ Remove two electrical connectors from thermostat.
▶Unscrew the sensor.
Flue limit thermostat
▶ Remove electrical connections.
▶ Unscrew thermostat from flue.
Fig. 60 Sensors
6720648547-29.2Wo
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