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Removing the gas valve

1. Disconnect all the cables from the solenoid and

modureg;

2. Remove the spark generator (see previous section);

3. Release the top nut "W" (F

4. Remove the screws "X" from the bottom of the gas valve

pipe (F

. 1.31);

5. Remove the gas valve (F

47.eps

48.eps

38.eps

B063

. 1.30);

. 1.32).

. 1.30

. 1.31

. 1.32

1.6

CCESS TO THE

Important! Before any component is removed, the boiler

must be drained of all water.

Removing the D.H.W. (secondary) exchanger

1.Remove the screws "Y" (F

2.Push the exchanger towards the rear of the boiler, and lift

upwards and remove out of the front of the boiler

1.35);

3.Before replacing the exchanger ensure that the O-rings

are in good condition and replace if necessary.

22.eps

21.eps

68.eps

ATER

IRCUIT

1.33 + F

1.34);

. 1.33

. 1.34

. 1.35