Supplied By www.heating spares.co Tel. 0161 620 6677
8.13
TO REMOVE/REPLACE PLATE TO PLATE
HEAT EXCHANGER .
8.13.1
Remove front casing (sect 8.1.4).
8.13.2
Close off on/off valves for CH circuit and
DHW circuit and drain the boiler and drain
hot water from the lowest hot water tap
.
8.13.3
Unscrews the two srews that connect the
DHW heat exchanger and pull it out from
the boiler.
8.13.4
If necessary the pipes from the flow
manifold may have to be remove for easier
access.
8.13.5
Replace in reverse order.
NOTE: Always use new “O”rings.
35
8.12
TO REMOVE/REPLACE EXPANSION
VESSEL (Fig.59).
8.12.1
Remove front casing (sect 8.1.4).
8.12.2
Drain the CH circuit
8.12.3
Remove at the front the securing bracket.
8.12.4
Unscrew the nut that fix the expasion
vessel, and carefully lift the vessel up and
remove.
8.12.5
Replace in reverse order.
NOTE: Always use new gasket
and “O”rings.
Fig.59
Fig.60
Fig.61
