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CTCU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL
38 of 42
16.3 Ignition Electrode and Flame Probe
Burners
.120
(3 mm)
spark
gap
Ignition
Electrode
Burner Compartment
Front Views
Limit
Thermostat
Ignition
Electrode
Flame
Probe
Fan
Thermostat
Flame
Probe
Burners
Description Part Number
Spark Electrode 90427411
Automatic Ignition Flame Probe 90439300
Burners 92000002
Fan Thermostat 90412102
Limit Thermostat 90412100
To replace the ignition electrode or flame probe, remove the electrical lead and screw.
Pull out from mounting. Refit in reverse ensuring that the gap to burner is as shown in the
front view of the burner compartment.