SERVICING AND SPARES
6 720 806 548 (2013/02) 39
1. Remove plastic nut (A) from the base of the inner casing
Fig. 71 Heat exchanger removal 1
2. Remove return pipe at the bottom of heat exchanger.
Fig. 72 Heat exchanger removal 2
3. Remove screw at the top of the heat exchanger (C).
▶ Unscrew the flow pipe (D).
Fig. 73 Heat exchanger removal 3
4. Undo flue connection (E) from sump (F).
▶ Pull flue pipe up.
▶ Remove the heat exchanger.
Fig. 74 Heat exchanger removal 4
19. DRAIN TAP
▶ Remove clip (G)
▶ Unscrew nut (H)
▶ Replace drain tap.
Fig. 75 Auto Air Vent removal
20. AUTO AIR VENT
▶ Ensure the appliance has been fully drained.
▶ Unscrew air vent (J) and replace.
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