Operating instructions

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10.5.3 Removing the safety valve
1. Disconnect the discharge pipe work from below the boiler;
2. Unscrew and remove the valve “A1” (FIG. 10.41).
FIG. 10.41
A1
10.5.2 Removing the pump pressure switch
1. Remove the pump pressure s witch electrical connections “Z”
(F IG 10.39);
2. Unscrew the pump pressure switch by using a spanner on the
nut (F
IG 10.40);
3. Remove the pump pressure switch .
FIG. 10.39
Z
FIG. 10.38
FIG. 10.40
10.5.4 Removing the automatic air vent
1. Remove the U-clip “B1” (FIG. 10.42);
2. Unscrew valve top and remove valve complete with float
(F
IG 10.43).
FIG. 10.42
FIG. 10.43
B1