1.5ACCESS TO THE WATER CIRCUIT
Important! Before any component is removed, the boiler must be drained of all water.
1.5.1 Removing the pump pressure switch
1.Remove the cable of the pump pressure switch “W” (Fig. 1.31);
2.Unscrew the pump pressure switch by using a spanner on the nut “X”(FIG. 1.32);
3.Remove the pump pressure switch.
W
FIG. 1.31
X
FIG. 1.32
1. 5. 2 Removing the safety valve
1.Loosen nut “Y” (FIG. 1.33);
2.Disconnect the discharge pipe work from below the boiler;
3.Unscrew and remove the valve.
Y
FIG. 1.33
1.5.3Removing the automatic air vent 1. Unscrew valve top “Z” (FIG. 1.34);
2. Remove valve complete with float (FIG 1.35).
Z
FIG. 1.34
FIG. 1.35
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