Suburban SF-30 Furnace Exploded Parts and OEM Reference Guide

The Suburban SF-30 30,000 BTU ducted LP furnace uses three exploded parts illustrations. Original model callouts are grouped into cabinet components, burner and ignition parts, and motor, circulating-air and exhaust assemblies.

This reference retains the original drawing positions and historical service entries. Manufacturer numbers only link to active products where the part and model have a supported match. Old or disputed numbers, serial-restricted parts and uncertain substitutions remain plain text.

SF-30 outer cabinet, thermostat and ducts

Suburban SF-30 furnace reference drawing 1 for sf-30 outer cabinet, thermostat and ducts
SF-series service drawing 1. Shared illustrations can show alternative cabinet fronts; use the model's corrected reference number and confirm the serial.
Drawing reference Manufacturer part number Quantity Original service description
1 102316 1 CABINET FRONT, TWO OPENINGS — correction from Suburban's 2008 SF-20/25/30 model parts list (manufacturer item 1A); verify production revision
2 161154 1 THERMOSTAT, WALL (WHITE)
5 101889 1 CABINET ASM
6 50733 1 COVER, DUCT
7 50715 1 DUCT COLLAR, 4 IN.

Fuel train, #52 orifice and ignition assemblies

Suburban SF-30 furnace reference drawing 2 for fuel train, #52 orifice and ignition assemblies
SF-series service drawing 2. Shared illustrations can show alternative cabinet fronts; use the model's corrected reference number and confirm the serial.
Drawing reference Manufacturer part number Quantity Original service description
9 171596 1 MANIFOLD ASSY
11 180214 1 OFIFICE #52
11 180307 1 ORIFICE #52 METRIC THREADS - Above Serial# 021206467
12 70811 1 GASKET, BURNER ACCESS
12 525010 1 SERVICE. KIT, GASKET, BURNER, ACCESS COVER
12 71263 1 GASKET, BURNER ACCESS COVER - Above Serial# 094101431
12 525031 1 SERVICE KIT, GASKET BURNER ACCESS COVER - Above Serial# 094101431
13 121704 1 PLATE, TINNERMAN
14 63198 1 PLATE, SECONDARY (BACK)
15 121651 1 SCREW 8-18 X 1/2
16 62933 1 PLATE, SECONDARY AIR (FRONT)
19 62935 1 PLATE, SECONDARY AIR, BOTTOM
22 232286 1 ELECTRODE, SINGLE PROBE W/ WIRE (L SHAPE) - Above Serial No 934701426 Ending Serial No 171416095
22 525009 1 SERVICE KIT, ELECTRODE W/GROMMET (L SHAPE) - Above Serial No 934701426 Ending Serial No 171416095
22 233306 1 ELECTRODE & WIRE ASSY (STRAIGHT) - Above Serial No 171416095
22 525051 1 SERVICE KIT ELECTRODE, STRAIGHT - Above Serial No 171416095
23 10865 1 BURNER ASSEMBLY, COMPLETE
24 70963 1 GROMMET
26 161122 1 GAS VALVE, 3/8 INLET NPT X 3/8 INVERTED OUTLET - Above Serial No 971303163
26 161133 1 GAS VALVE, 3/8 INLET NPT X 3/8 INVERTED OUTLET - Below Serial No 921406846
NS 521074 1 SOLENOID KIT FOR WHITE RODGERS VALVES
NS 521075 1 SOLENOID KIT FOR SEVEN UNIVERSE VALVES
27 171574 1 PIPE ASSEMBLY,GAS INLET
28 62180 1 CLAMP, WIRE

Motor revisions, fan, safeties and exhaust

Suburban SF-30 furnace reference drawing 3 for motor revisions, fan, safeties and exhaust
SF-series service drawing 3. Shared illustrations can show alternative cabinet fronts; use the model's corrected reference number and confirm the serial.
Drawing reference Manufacturer part number Quantity Original service description
31 260231 1 VENT CAP & EXHAUST TUBE ASSY
31 280552 1 RAIN SHIELD
32 51248 1 VENT TUBE, INTAKE USE 51446
32 51446 1 VENT TUBE, INTAKE
34 390852 1 COMBUSTION AIR HOUSING (FRONT)
35 121929 5 SCREW, #8 - 18 X 2 1/4
36 121928 7 SCREW 6-19 X 1/2 PH PH
37 390848 1 COMBUSTION AIR HOUSING (REAR)
38 350122 1 COMBUSTION AIR WHEEL USE 350184
38 350184 1 WHEEL, COMBUSTION AIR
39 71084 1 GASKET, FIREWALL COMBUSTION AIR
40 231706 1 MOTOR ASSM 2 1/2 IN DIAMETER USE 233101 - BELOW SERIAL NUMBER: 012003742
40 233101 1 MOTOR ASSY, 2 1/2 IN DIAM - BELOW SERIAL NUMBER: 012003742
40 232682 1 MOTOR ASSY, 3 IN DIAM W/GASKET - ABOVE SERIAL NUMBER: 012003742
41 121971 2 SCREW # 4-24 X 5/8
42 390872 1 HOUSING, BLOWER FRONT HALF
43 121857 4 SCREW #8-18 X 1/2
44 390851 1 HOUSING, BLOWER REAR HALF
45 230509 1 MICRO SWITCH & PADDLE USE 233356 - Below Serial# 924201894
45 233356 1 MICRO SWITCH & PADDLE - Below Serial# 924201894
45 525024 1 SERVICE KIT, SAIL SWITCH - Below Serial# 924201894
45 232261 1 SWITCH, SAIL USE 233382
45 233382 1 SAIL SWITCH
45 525003 1 SERVICE KIT, SAIL SWITCH
48 232351 1 ON/OFF SWITCH
49 63446 1 BRACKET, ON/OFF SWITCH
50 520820 1 MODULE BOARD, WAS SUPERCEEDED USE 521099
50 521099 1 IGNITION CONTROL MODULE
51 70973 1 INSULATOR CAP, MODULE BOARD COIL
52 350123 1 BLOWER ROOM AIR WHEELUSE 350129
52 350129 1 BLOWER WHEEL
54 70362 1 BUSHING, SNAP
56 71206 1 BUSHING, STRAIN RELIEF
57 70808 1 GASKET, FIREWALL CHAMBER
58 21149BK 1 CHAMBER ASSY FINAL
59 232504 1 SWITCH, LIMIT USE 233532 - S# 921403896 & ABOVE
59 233532 1 SWITCH, LIMIT 160 DEGREE
59 525006 1 SERVICE KIT, LIMT SWITCH 160OPEN/120 CLOSED
59 231630 1 LIMIT SWITCH 175 DEGREE - S# 921403895 & BELOW
62 110767 1 FIREWALL
NS 2607A 1 FURNACE CORE REPLACEMENT RP-30Q

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