Technical information
Table Of Contents

48
1
.
C
arry out steps
1
8.2.1
,
and
1
8.4.1
a
s above;
2
.
D
rain the boiler (only heating circuit) as in step
1
8.6.1
;
3. Remove the NTC clips “J1” and overheat sensor clip “J2” (see Fig. 18.30 and 18.31);
4. Remove the 2 clips “J3” securing the heat exchanger (see Fig. 18.30 and 18.31);
5. Unscrew the nut “J4” from the tank (see Fig. 18.30 and 18.31);
6. Pull the heat exchanger toward you to remove it (see Fig. 18.32);
7. Reassemble in reverse order, do not forget to grease o rings before reassembly.
18.4.6 Removing the main heat exchanger
J4
J1
Fig. 18.30
Fig. 18.32
Fig. 18.31
J2
J3










