Installation guide

I Replacement Parts - *8DNL (Natural Gas) I
Models - *8DNLO50B12B1, *SDNLO75B12B1, *SDNLO75F16B1, *8DNL100F14B1, *SDNLIOOL2OB1, *SDNL125L20B1
Replacement part supplied will be current active part. For parts not listed, consult place of purchase.
Key Functional Parts Part
No, Description Number
Heat Exchanger
2 Switch, Pressure
3 Wheel, Blower
4 Mount, Motor kit*
5 Motor, BIr 1/115
1/115
1/115
1/115
6 Capacitor 7.SuF
5uF
10uF
40 uF
7 Transformer
8 Control
9 Switch, Interlock
10 Burner Assembly
1/2 COW
1/3 COW
1/2 COW
3/4 CCW
11 Flame Sensor
12 Igniter
14 Orifice, Burner # 42
15 Valve, Gas
16 Switch, Limit (Rollout)
17 Switch, Limit (Main)
18 Blower, Combustion
19 Filter, Air
*See Table below for bell,
Bellyband Location
on Motor
Model *8DNL A(in.)
O50B12B1 1.38"
075B12B1 1.65"
075F16B1 1.81"
100F14B1 1.38"
100L20B1 1.65"
125L20B1 1.65"
1014316
1014317
1014318
1014319
1014320
1014321
1013529
1013011
1011420
1014824
1014825
1014823
1172487
1172493
1172488
1172489
1171728
1171727
1171729
1171982
1172810
1172550
1171981
1172884
1172965
1172966
1179667
1172827
1172533
1011351
1172821
1013102
34335001
1009169
1008417
1065294
1320362
1014433
1013517
1009750
050B12B1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
2
075B12B1
1
1
1
1
1
1
1
1
3
1
2
1
1
2
*8DNL
075F16B1 100F14B1
1
1
1 1
1 1
1
1
1
1
1
1
1 1
1 1
1 1
1
1
1 1
1 1
3 4
1 1
2 2
1
1
1 1
2 2
band location on motor
100L20B1
1
1
1
1
1
1
1
1
1
4
1
2
1
1
2
125L20B1
1
1
1
1
1
1
1
1
1
5
1
2
1
1
2
441 01 231402