Quick Start Manual

13.0 Changing Components

13.12 Pressure Gauge (Fig. 57)

1. Drain the boiler (see Section 13.1 paragraph 2 & 3).

2. Undo the nut retaining the capillary in the

connection at the return pipe (Fig. 58).

3. Depress the two lugs on either side of the pressure

gauge and feed through the bracket.

4. Fit new pressure gauge and reassemble in reverse

order.

13.13 Pressure Relief Valve (Fig. 59)

1. The pressure relief valve is positioned on the

hydraulic manifold at the back of the pump.

2. Drain the boiler (see Section 13.1 paragraph 2 & 3).

3. Disconnect the union between the valve and the

discharge pipe.

4. Slacken the screw retaining the valve.

5. Pull the valve upwards to disengage it.

6. Fit the new pressure relief valve and reassemble in

reverse order.

Fig. 57

Lug

Pressure Gauge

Bracket

Fig. 58

Capillary

Return Pipe

Fig. 59

Pressure Relief Valve

Expansion Vessel

removed for clarity