Servicing and spares
Bosch Condens 5000W – 6 720 646 195 (2018/10)
54
Expansion vessel replacement (removing the boiler)
▶ Isolate electrical supply.
▶ Isolate system and gas connections at the service valves.
▶ Drain the boiler.
▶ Disconnect electrical supply and any external controls.
▶ Disconnect flue connection from the boiler.
▶ Undo connection to boiler at the service valves.
▶ Release the clip from expansion vessel connection to the pump
manifold.
▶ Carefully lift the boiler off the mounting frame.
Refer to figure 116.
1. Remove the expansion vessel retaining screw.
2. Lift the expansion off the cross beam.
3. Move the expansion vessel towards you to remove.
Fig. 116 Removing the expansion vessel from the wall frame
▶ Replace expansion vessel in the reverse order and refit the boiler to
the mounting frame.
▶ Follow the commissioning procedure in this manual.
3.
2.
1.
6720643895-98.2Wo
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