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UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
42 of 51
15.3 Ignition Electrode and Flame Probe
Description Part Number Qty.
Spark Electrode 90427411 1
Automatic Ignition Flame Probe 90439300 1
Transformer 90436900K 1
Ignition Module 90434008 1
Inshot Burners UHA[X][S] 150 92000001 7
Inshot Burners UHA[X][S] 175 92000001 8
Inshot Burners UHA[X][S] 200 92000000 9
Inshot Burners UHA[X][S] 225 92000000 10
Inshot Burners UHA[X][S] 250 92000000 11
Inshot Burners UHA[X][S] 300 92000000 12
Inshot Burners UHA[X][S] 350 92000000 14
Inshot Burners UHA[X][S] 400 92000002 14
Limit Switch (150 - 400) [300 - 400 LOWER] 90412103 1
Limit Switch (300 - 400) [UPPER] 90412105 1
To replace the 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.