SERVICING
& SPARES
INSTALLATION & SERVICING INSTRUCTIONS
40
8 716 115 216b (09.2008)
REPLACEMENT PARTS
REPLACEMENT PARTS
Condensate trap:
Move control panel into service position.
Remove inner case door.
Remove screw retaining trap (F) and
push trap downwards until clear.
Remove trap from boiler along with pipe
to condensate pump.
Gas valve:
Check that the gas cock is turned off.
Remove condensate pump.
1
Undo the union, within the inner casing,
securing the valve to the gas/air tube.
2
Remove the black rubber cap from the
gas valve (G).
3
Release the gas inlet union at the inlet.
4
Remove the solenoid connections at the
front of the gas valve.
Remove gas valve and gas inlet pipe
together.
Transfer the inlet pipe assembly to the
new gas valve.
Check for gas soundness when the new
gas valve has been fitted.
Re-check the combustion performance.
After re-assembly check CO/CO2 levels
as described in the section “Setting the
air/gas ratio”
F
3
1
2
G
4
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