Ariston Euro Combi A/27 MFFI - Removing the Expansion Vessel; Removing the Overheat Thermostat; Removing the Heating Temperature Sensor (N.T.C.)

17
B029
Removing the expansion vessel
1.
Remove nut “A3” away from the expansion vessel
(see fig. 1.45) ;
2. Remove nut “A4” (see fig. 1.46) ;
3. Remove expansion vessel (see fig. 1.47) .
Removing the overheat thermostat
1. Remove the electrical connection from the overheat
thermostat (see fig. 1.48) ;
2. Then remove the thermostat from the pipe by releasing
its securing clip.
Removing the heating temperature sensor (N.T.C.)
1. Remove the electrical connector by pulling off the
thermostat connections and unscrewing the sensor
probe with a 14 mm open ended spanner (see fig.
1.49) .
A3
A4
Fig. 1.45
Fig. 1.46
Fig. 1.48
Fig. 1.49
Fig. 1.47