Chaffoteaux & Maury Minima HE System 24 Nat - Removing the Domestic Expansion Vessel; Removing the Overheat Thermostat; Removing the Temperature Sensors (Ntcs)

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18.3.5 Removing the expansion vessel
18.3.6 Removing the overheat thermostat
1
.
C
arry out step 18.3.1;
2. Isolate the gas supply and disconnect all
pipe connections;
3. Remove the boiler from the wall
4
.
R
emove the two screws
T (
see Fig. 93)
;
1. Remove the casing as in step 18.1.1;
2. Pull off the thermostat connections and
remove the thermostat from the pipe by
releasing its securing clip (see Fig. 95).
18.3.7 Removing the temperature sensors (N.T.C’s)
1. Remove the casing as in step 18.1.1;
2. Pull off the NTC connections and
remove the NTC from the pipe by
releasing its securing clip
(see Fig. 96).
Fig. 93
Fig. 96
Fig. 95
Fig. 94
T
U
5. Unscrew the nut U (see Fig. 94);
6
.
P
ull the expansion vessel toward you to
remove it;
7. Reassemble in reverse order, testing all
pipe connections for soundness.