UHD L
OW
P
ROFILE
D
UCT
F
URNACE
I
NSTALLATION
O
PERATION AND
S
ERVICE
M
ANUAL
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15.3 Ignition Electrode and Flame Probe
15.4 Heat Exchanger
The heat exchanger consists of a six-pass design with 1.5" outer diameter [aluminized steel] [409 stainless
steel] tube. The tube plates are made of [aluminized steel] [409 stainless steel]. The tube supports are
made of [aluminized steel] [409 stainless steel].
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] 75
92000002
5
Inshot Burners UHD[X][S] 100
92000002
6
Inshot Burners UHD[X][S] 125
92000002
7
Limit Switch
90412104
1
Manual Reset Limit Switch (75 only)
90412106
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.