Suburban SF-20F Furnace Parts Diagram & OEM Parts List
Use this Suburban SF20F 20,000 BTU ducted furnace parts breakdown to identify replacement cabinet parts, duct collars, thermostats, electrodes, gas valves, burners, motors, sail switches, ignition modules, blower wheels, gaskets, vent parts and other OEM RV furnace service parts.
Looking for replacement furnace parts? Shop our RV Furnace Parts Collection for ignition boards, motors, sail switches, limit switches, gas valves, thermostats, blower wheels and more.
Need a complete replacement furnace? Browse our RV Propane Furnaces Collection featuring Atwood, Hydro Flame, Dometic and Suburban RV furnaces.
Suburban SF20F Cabinet, Thermostat & Duct Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 1 | 101242 | 1 | CABINET, FRONT, 3 - HOLE |
| 2 | 161154 | 1 | THERMOSTAT, WALL (WHITE) |
| 5 | 101889 | 1 | CABINET ASM |
| 6 | 50733 | 1 | COVER, DUCT |
| 7 | 50715 | 1 | DUCT COLLAR, 4 IN. |
Suburban SF20F Burner, Gas Valve & Electrode Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 8 | 122694 | 1 | NUT |
| 9 | 171596 | 1 | MANIFOLD ASSY |
| 10 | 120158 | 1 | SCREW, #8 X 3/8 |
| 11 | 180188 | 1 | MAIN BRN ORFICE #55 |
| 11 | 180305 | 1 | ORIFICE #55 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) |
| 17 | 121651 | 1 | SCREW 8-18 X 1/2 |
| 18 | 121651 | 1 | SCREW 8-18 X 1/2 |
| 19 | 62935 | 1 | PLATE, SECONDARY AIR, BOTTOM |
| 20 | 121651 | 1 | SCREW 8-18 X 1/2 |
| 21 | 121651 | 1 | SCREW 8-18 X 1/2 |
| 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 | 10767 | 1 | BURNER ASSEMBLY |
| 24 | 70963 | 1 | GROMMET |
| 25 | 121651 | 1 | SCREW 8-18 X 1/2 |
| 26 | 161122 | 1 | GAS VALVE, 3/8 INLET NPT X 3/8 INVERTED OUTLET - Above Serial# 971303163 |
| 26 | 161133 | 1 | GAS VALVE, 3/8 INLET NPT X 3/8 INVERTED OUTLET - Below Serial# 921403846 |
| 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 | 121857 | 1 | SCREW #8-18 X 1/2 |
| 29 | 170374 | 1 | GAS FITTING, 90° ELBOW |
| 29 | 525025 | 1 | SERVICE KIT, FITTING BRASS 3/8 90 DEG ELBOW |
Suburban SF20F Vent, Motor, Blower & Ignition Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 30 | 121853 | 1 | SCREW, #10 X 3/4 |
| 31 | 260231 | 1 | VENT CAP & EXHAUST TUBE ASSY |
| 32 | 51248 | 1 | VENT TUBE, INTAKE USE 51446 |
| 32 | 51446 | 1 | VENT TUBE, INTAKE |
| 33 | 121857 | 1 | SCREW #8-18 X 1/2 |
| 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 | 390849 | 1 | COMBUSTION AIR HOUSING (REAR) |
| 38 | 350189 | 1 | WHEEL, COMBUSTION AIR USE 350211 |
| 38 | 350211 | 1 | COMBUSTION AIR WHEEL |
| 39 | 71084 | 1 | GASKET, FIREWALL COMBUSTION AIR |
| 40 | 231706 | 1 | MOTOR ASSM 2 1/2 IN DIAMETER USE 233101 - BELOW SERIAL NUMBER: 012205202 |
| 40 | 233101 | 1 | MOTOR ASSY, 2 1/2 IN DIAM - BELOW SERIAL NUMBER: 012205202 |
| 40 | 232682 | 1 | MOTOR ASSY, 3 IN DIAM W/GASKET - ABOVE SERIAL NUMBER: 012205202 |
| 41 | 121945 | 1 | SCREW # 4-20 X 5/8 |
| 42 | 390872 | 1 | HOUSING, BLOWER FRONT HALF |
| 43 | 121857 | 1 | 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 |
| 46 | 121928 | 1 | SCREW 6-19 X 1/2 PH PH |
| 47 | 121928 | 1 | SCREW 6-19 X 1/2 PH PH |
| 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 |
| 53 | 121857 | 1 | SCREW #8-18 X 1/2 |
| 54 | 231809 | 1 | BUSHING, STRAIN RELIEF |
| 55 | 121857 | 1 | SCREW #8-18 X 1/2 |
| 56 | 231809 | 1 | BUSHING, STRAIN RELIEF |
| 57 | 70808 | 1 | GASKET, FIREWALL CHAMBER |
| 58 | 21149BK | 1 | CHAMBER ASSY FINAL |
| 59 | 232503 | 1 | SWITCH, LIMIT |
| 60 | 120158 | 1 | SCREW, #8 X 3/8 |
| 61 | 120158 | 1 | SCREW, #8 X 3/8 |
| 62 | 110747 | 1 | SUBURBAN FIREWALL |
| NS | 2606A | 1 | FURNACE CORE REPLACEMENT RP-20FQ |
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Click any manufacturer part number above to search our inventory. If you cannot find the part you need, contact us with your furnace model number, serial number and part number.
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