Worcester Greenstar i Series Installation, Commissioning And Servicing Instructions page 48

SERVICE AND SPARES
▶ Undo connection to boiler at the service valves.
1.
Fig. 124 Removing expansion vessel from wall frame
▶ Release the clip from expansion vessel connection to the pump
manifold.
▶ Carefully lift the boiler off the mounting frame.
1. Remove the expansion vessel retaining screw.
2. Lift the expansion off the cross beam.
3. Pull the expansion vessel towards you to remove.
▶ Replace expansion vessel in the reverse order and refit the boiler to
the mounting frame.
▶ Follow the commissioning procedure in this manual.
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2.
3.
6 720 804 532 (2012/09)