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
3.
4.
5.