Worcester GREENSTAR 25CDi GC Instruction Manual page 48

REPLACEMENT OF PARTS
16. Heat exchanger
~
Isolate flow and return valves and drain
the boiler.
~
Remove condensate trap
(see page 42).
~
Remove fan assembly (see page 46).
16.1
~
Remove plastic nut (A) from the base
of the inner casing.
16.2
~
Remove return pipe at the bottom
of
heat exchanger.
16.3
~
Remove screw at the top of the heat
exchanger
(e).
~
Unscrew the flow pipe (D).
16.4
~
Undo flue connection (E) from
sump (F),
~
Pull flue pipe up.
~
Remove the heat exchanger.
INSTALLATION
&
SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR
25CO<l3OCDif37CD<l42
CD;
AORCESTER
REPLACEMENT OF PARTS
6720 5\3 700a (2006/11)