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Fig. 2
1
4.7
Igniter
1
. Remove the air box front cover.
2. Disconnect the igniter feed plug and the
electrode leads, noting their positions.
3. Undo the screw securing the brac
k
et to the
boiler.
4. Remove the igniter and transfer the
brac
k
et to the new component.
5
. Reassemble in reverse order.
4.8
Spark and Sensing Electrodes
1
. Disconnect the electrode leads, noting
their positions.
2. Remove the retaining screws securing
each of the electrodes to the combustion box
cover and remove the electrodes.
3.
C
hec
k
the condition of the sealing gas
k
ets
and replace if necessary. Reassemble in
reverse order.
4.9 Overheat Thermostat
Re-assemble all parts in reverse order.
1
.
P
erform 4.
1
General Access.
2. Disconnect electrical connections and
unscrew the thermostat.
P
olarity of the
wires is not important.
Igniter
Igniter Feed
P
lug
Electrode
L
eads
Brac
k
et
Spar
k
Electrode
Sensing
Electrode
Electrode
L
eads
39
© Baxi Heating UK Ltd 2015