Suburban SF-35FQ RV Furnace Parts Diagrams

The Suburban SF-35FQ RV furnace uses separate cabinet and duct, burner and manifold, and blower and ignition assemblies. Use the numbered illustrations to locate components and consult the appliance data plate for serial-specific service parts.

Locate the callout on each drawing and match it to the table beneath. Select a linked part number for product details, and check the furnace model and serial-number range before ordering.

1. Cabinet, thermostat and duct collars

SF-35FQ Cabinet, thermostat and duct collars Diagram numbered exploded drawing — Diagram — part references are in the table below.

Ref.	OEM part number	Qty.	Component / notes
1	101242	1	CABINET, FRONT, 3 - HOLE
2	161154	1	THERMOSTAT, WALL (WHITE)
5	102358	1	CABINET ASSEMBLY
6	50733	1	COVER, DUCT
7	50715	1	DUCT COLLAR, 4 IN.

2. Burner, orifice, gas valve and manifold

SF-35FQ Burner, orifice, gas valve and manifold Diagram numbered exploded drawing — Diagram — part references are in the table below.

Ref.	OEM part number	Qty.	Component / notes
9	171743	1	MANIFOLD ASSY, COMPLETE
11	180308	1	ORIFICE, #51 METRIC THREADS
12	71263	1	GASKET, BURNER ACCESS COVER
12	525031 View photo	1	SERVICE KIT, GASKET BURNER ACCESS COVER
14	63199	1	PLATE, SECONDARY AIR (BACK HALF)
16	62936	1	PLATE,SECONDARY AIR (FRONT HALF)
19	62938	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	233222	1	ELECTRODE, SINGLE PROBE WITH WIRE USE 233306
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
NS	521074	1	SOLENOID KIT FOR WHITE RODGERS VALVES
NS	521075	1	SOLENOID KIT FOR SEVEN UNIVERSE VALVES
27	171576	1	PIPE ASSY, GAS INLET
29	170374	1	GAS FITTING, 90° ELBOW
29	525025	1	SERVICE KIT, FITTING BRASS 3/8 90 DEG ELBOW

3. Vent, motor, blower and ignition components

SF-35FQ Vent, motor, blower and ignition components Diagram numbered exploded drawing — Diagram — part references are in the table below.

Ref.	OEM part number	Qty.	Component / notes
31	260553	1	VENT CAP AND EXHAUST TUBE ASSEMBLY
32	51249	1	VENT TUBE ASSEMBLY INTAKE
34	390852	1	COMBUSTION AIR HOUSING (FRONT)
35	121929	1	SCREW, #8 - 18 X 2 1/4
36	121928	1	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	233042	1	MOTOR ASSEMBLY W/ GASKET
41	121945	2	SCREW # 4-20 X 5/8
42	391039	1	BLOWER ASSY, ROOM AIR, FRONT
43	121857	4	SCREW #8-18 X 1/2
44	391035	1	BLOWER HOUSING, ROOM AIR, REAR
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	350206	1	WHEEL, ROOM AIR
54	70362	1	BUSHING, SNAP
56	71206	1	BUSHING, STRAIN RELIEF
57	71262	1	GASKET, FIREWALL, CHAMBER SIDE
58	21225BK	1	CHAMBER ASSEMBLY, FINAL
59	232504	1	SWITCH, LIMIT USE 233532
59	233532	1	SWITCH, LIMIT 160 DEGREE
59	525006 View photo	1	SERVICE KIT, LIMT SWITCH 160OPEN/120 CLOSED
62	110792	1	FIREWALL
63	122001	4	SCREW, #6-19 X 3/4
64	102078	1	PANEL ASSY, MODULE BOARD
65	63616	1	BRACKET HOUSING, ROOM & COMB AIR
67	70807	1	INSULATOR, MODULE BOARD
NS	2610A	1	FURNACE CORE REPLACEMENT RP-35FQ

Replacement parts for this furnace

Shop components listed for the Suburban SF-35FQ. Each photo opens the corresponding product. Use the diagrams and serial ranges below to choose the correct version.

Ignition and control parts

Ignition control module — Suburban 521099, SF-35FQ furnace component — **Suburban 521099**Ignition control moduleEarlier non-fan-control furnaces also require the appropriate conversion wiring kit.

Ignition electrode with wire — Suburban 525009, SF-35FQ furnace component — **Suburban 525009**Ignition electrode with wireMatch the electrode and serial-number range in the parts table.

Sail switch — Suburban 525003, SF-35FQ furnace component — **Suburban 525003**Sail switch

On/off switch — Suburban 232351, SF-35FQ furnace component — **Suburban 232351**On/off switch

White heat-only wall thermostat — Suburban 161154, SF-35FQ furnace component — **Suburban 161154**White heat-only wall thermostat

Airflow and housing components

Room-air blower wheel — Suburban 350206, SF-35FQ furnace component — **Suburban 350206**Room-air blower wheelMatch the original wheel and furnace serial number.

Combustion-air wheel — Suburban 350184, SF-35FQ furnace component — **Suburban 350184**Combustion-air wheelMatch the original wheel and furnace serial number.

Rear combustion-air housing — Suburban 390848, SF-35FQ furnace component — **Suburban 390848**Rear combustion-air housing

Front combustion-air housing — Suburban 390852, SF-35FQ furnace component — **Suburban 390852**Front combustion-air housing

Burner, vent and duct parts

Burner assembly — Suburban 010865, SF-35FQ furnace component — **Suburban 010865**Burner assemblyMatch the burner version and serial range in the table.

Exhaust vent with rain shield — Suburban 260553, SF-35FQ furnace component — **Suburban 260553**Exhaust vent with rain shield

4-inch duct collar — Suburban 050715, SF-35FQ furnace component — **Suburban 050715**4-inch duct collar

Duct cover — Suburban 050733, SF-35FQ furnace component — **Suburban 050733**Duct cover

Combustion-air housing gasket — Suburban 071084, SF-35FQ furnace component — **Suburban 071084**Combustion-air housing gasket

Replacement furnace core

Additional photographed SF-35FQ service parts

Check the manufacturer number in the parts table and any serial restrictions before ordering.

SF-35FQ parts reference, manufacturer part 525031: Suburban 525031 Furnace Burner Access Gasket | SF/SH catalog image — **Suburban 525031** Suburban 525031 Furnace Burner Access Gasket | SF/SHConfirm the model, gasket profile and serial-number requirements.

SF-35FQ parts reference, manufacturer part 525006: Suburban 525006 Green-Dot Furnace Limit Switch | SF & SH-35 catalog image — **Suburban 525006** Suburban 525006 Green-Dot Furnace Limit Switch | SF & SH-35Model-listed furnace limit switch; compare the original control and rating.

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Suburban SF-35FQ Furnace Parts Diagrams & Assemblies