![](/images/new-backgrounds/1026102/2610251x1.webp)
3.Remove screw “H” (FIG. 1.14);
4.Gently slide the electrode downward (FIG. 1.15).
FIG. 1.14
H
FIG. 1.15
To replace, repeat the steps in reverse order, paying particular attention to the following:
a - Centre the electrode in the positioning hole carefully, otherwise the electrode may break;
b
c - Check that the cables have been connected correctly;
d
1.3.4 Removing the main heat exchanger
1.Drain the boiler of water;
2.Release the overheat thermostat sensor “I” (FIG. 1.16);
3.Release the two connection nuts “J” connecting the exchanger to the flow and return pipes (FIG. 1.17);
4.Remove the heat exchanger by sliding forward (FIG. 1.18).
I
Fig. 1.16
J
FIG. 1.17
FIG. 1.18
6