Potterton Promax HE Store Installation & Servicing Instructions Manual page 42

Electrode
Leads
Spark
Electrode
Electrode
Leads
Fig. 21
42
Bracket
Igniter
Igniter Feed
Plug
Sensing
Electrode
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 bracket to the
boiler.
4. Remove the igniter and transfer the
bracket 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. Check the condition of the sealing gaskets
and replace if necessary. Reassemble in
reverse order.
4.9 Overheat Thermostat
Re-assemble all parts in reverse order.
1. Perform 4.1 General Access.
2. Disconnect electrical connections and
unscrew the thermostat. Polarity of the
wires is not important.
© Baxi Heating UK Ltd 2012