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UHD STANDARD DUCT FURNACE INSTALLATION OPERATION AND SERVICE MANUAL
34
14.3 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 UHD[X][S][R] 150 92000001 7
Inshot Burners UHD[X][S][R] 175 92000001 8
Inshot Burners UHD[X][S][R] 200 92000000 9
Inshot Burners UHD[X][S][R] 225 92000000 10
Inshot Burners UHD[X][S][R] 250 92000000 11
Inshot Burners UHD[X][S][R] 300 92000000 12
Inshot Burners UHD[X][S][R] 350 92000000 14
Inshot Burners UHD[X][S][R] 400 92000002 14
Limit Switch (150 - 400) 90412103 1
Limit Switch (300 - 400) 90412105 1
Limit Switch (175) 90412107 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.