Suburban NT16S Furnace Illustrated Parts and Service Numbers

Identify Suburban NT16S furnace parts using the three illustrations and numbered service list below. Compare the installed component with its drawing callout, part number and model-specific notes.

Match the drawing callout to the manufacturer part number, and check any supersession or serial-number notes. Select a linked number for product details and availability.

1. Opening parts and reference view (1–10)

Suburban NT16S furnace model-specific service reference illustration 1
Source illustration 1 of 3 · Reference numbers 1 through 10 as shown in the accompanying list.
Drawing reference Manufacturer part number Quantity Original component description
1 161154 1 THERMOSTAT, WALL (WHITE)
1 161210 1 THERMOSTAT, WALL (BLACK)
2 121224 2 SCREW, #10 X 3/4
3 120158 2 SCREW, #8 X 3/8
4 101886 1 FRONT, CABINET
5 100959 1 WRAP, CABINET USE 101885
5 101885 1 CABINET
6 50715 2 DUCT COLLAR, 4 IN.
7 70569 1 BUSHING SNAP
8 50906 1 SUBURBAN INTAKE TUBE 3 IN
8 50712 1 TUBE, INTAKE 5IN LONG (STANDARD)
8 50708 1 TUBE, INTAKE 7-1/4IN LONG
9 260098 1 CAP & EXHAUST TUBE ASSM USE 260572
9 260572 1 VENT CAP & EXHAUST TUBE ASSEMBLY
10 121853 1 SCREW, #10 X 3/4

2. Continuation of part references (11–NS)

Suburban NT16S furnace model-specific service reference illustration 2
Source illustration 2 of 3 · Reference numbers 11 through NS as shown in the accompanying list.
Drawing reference Manufacturer part number Quantity Original component description
11 62476 1 BRACKET, MICRO SW MOUNTING
11A 121247 2 SCREW, 2-56 X 5/8 HEX
12 230933 1 MICRO SWITCH USE 233100
12 233100 1 MICRO SWITCH ASM USE 525028
12 233352 1 MICRO SWITCH
12 525028 1 SERVICE KIT, SAIL SWITCH
13 121951 2 NUT #2-56
14 20839 1 CHAMBER, COMBUSTION NT
14 20890BK 1 COMBUSTION CHAMBER
15 121388 1 SCREW, #10 X 1/2
16 70362 1 BUSHING, SNAP
18 230621 1 LIMIT SWITCH 180 DEGREE
18 233021 1 LIMIT SWITCH - Above Serial# 093900001
19 121927 2 SCREW 8 X 1/4 PH.P.H. (NO SUBSTITUTE)
20 121244 2 SCREW, #6 X 1/4IN
21 230714 1 SPLICER
22 120158 1 SCREW, #8 X 3/8
22A 120158 2 SCREW, #8 X 3/8
23 70270 1 BUSHING, SNAP 1/2 IN.
24 121388 1 SCREW, #10 X 1/2
26 231741 1 MODULE BOARD, WAS SUPERCEEDED BY 520741. USE 521099
26 520741 1 MODULE BOARD, WAS SUPERCEEDED BY 520820. USE 521099
26 520820 1 MODULE BOARD, WAS SUPERCEEDED USE 521099
26 521099 1 IGNITION CONTROL MODULE
27 121271 2 NUT, #6 32 HEX
29 62392 1 BRACKET, COMBUSTION AIR HOUSING MOUNTING
31 70450 1 GASKET, BURNER TUNNEL
32 120717 2 NUT, HEX # 10-24 KEPS
33 120158 2 SCREW, #8 X 3/8
34 71161 1 GASKET, COMBUSTION AIR BOX USE 70446
34 70446 1 GASKET COMBUSTION AIR BOX
36 390222BK 1 COMBUSTION AIR BOX (OUTSIDE)
36 390876 1 HOUSING, COMBUSTION AIR (REAR)
37 120158 9 SCREW, #8 X 3/8
38 350082 1 WHEEL, COMBUSTION AIR
40 120722 2 WASHER - FLAT
41 390874 1 HOUSING, COMBUSTION AIR (FRONT)
42 121928 8 SCREW 6-19 X 1/2 PH PH
42 530089 1 GROMMET
43 71085 1 MOTOR GASKET
44 230634 1 MOTOR USE 232878
44 232878 1 MOTOR USE 520950
44 520950 1 MOTOR KIT W/ GASKETS - NLA
45 350083 1 IMPELLER ROOM AIR
46 63447 1 BRACKET, COMBUSTION AIR HOUSING MOUNTING
53 120158 1 SCREW, #8 X 3/8
56 63262 1 BRACKET, SWITCH MOUNTING
57 232351 1 ON/OFF SWITCH
NS 2611A 1 FURNACE CORE REPLACEMENT RP-16NQ

3. Continuation of part references (48–71)

Suburban NT16S furnace model-specific service reference illustration 3
Source illustration 3 of 3 · Reference numbers 48 through 71 as shown in the accompanying list.
Drawing reference Manufacturer part number Quantity Original component description
48 121407 1 SCREW 8-32 X 3/8 HEX BK
49 231931 1 ELECTRODE (SINGLE PROBE)
49 525033 1 SERVICE KIT, ELECTRODE
50 70163 1 GASKET, ELECTRODE USE 071076
50 71076 1 BURNER/ELECTRODE GASKET SET USE 72103
50 72103 1 GASKET KIT, BURNER /ELECTRODE
50 525011 1 SERVICE KIT, GASKETS BURNER / ELECTRODE
51 121388 1 SCREW, #10 X 1/2
52 120717 1 NUT, HEX # 10-24 KEPS
54 30621 1 BURNER ACCESS DOOR
55 70398 1 GASKET, BURNER ACCESS DOOR USE 071076
55 71076 1 BURNER/ELECTRODE GASKET SET USE 72103
55 72103 1 GASKET KIT, BURNER /ELECTRODE
55 525011 1 SERVICE KIT, GASKETS BURNER / ELECTRODE
58 171428 1 ELBOW 90
59 170374 1 GAS FITTING, 90° ELBOW
59 525025 1 SERVICE KIT, FITTING BRASS 3/8 90 DEG ELBOW
60 121388 1 SCREW, #10 X 1/2
61 71034 1 GASKET, GAS INLET
62 62143 1 PLATE COVER, GAS INLET
63 170758 1 PIPE, GAS INLET
64 161123 1 GAS VALVE 3/8 X 1/8
67 170746 1 MANIFOLD ASSY
68 120615 4 SCREW 8 X 1/2 PH PH
69 180224 1 ORIFICE 11/32-32 #56
70 70449 1 GASKET, MANIFOLD PIPE
71 10614 1 BURNER ASSEMBLY USE 10978
71 10978 1 BURNER ASM. W/ACCESS DOOR

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