Ariston EURO COMBI A/23 MFFI Servicing Instructions - Page 17

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Ariston EURO COMBI A/23 MFFI Servicing Instructions
A3
A4
B029

Removing the expansion vessel

1. Remove nut "A3" away from the expansion vessel
2. Remove nut "A4" (see fig. 1.46) ;
3. Remove expansion vessel (see fig. 1.47) .
Fig. 1.45
Fig. 1.46

Removing the overheat thermostat

1. Remove the electrical connection from the overheat
2. Then remove the thermostat from the pipe by releasing
Fig. 1.48

Removing the heating temperature sensor (N.T.C.)

1. Remove the electrical connector by pulling off the
Fig. 1.49
(see fig. 1.45) ;
thermostat (see fig. 1.48) ;
its securing clip.
thermostat connections and unscrewing the sensor
probe with a 14 mm open ended spanner (see fig.
1.49) .
Fig. 1.47
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