Suburban NT20SE Furnace Parts Diagram & OEM Parts List
Use this Suburban NT20SE 19,000 BTU direct discharge furnace parts breakdown to identify replacement thermostats, cabinet parts, intake tubes, vent parts, ignition modules, sail switches, limit switches, motors, blower wheels, electrodes, gas valves, burners, gaskets and other OEM RV furnace service parts.
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Suburban NT20SE Cabinet, Intake & Vent Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 1 | 161154 | 1 | THERMOSTAT, WALL (WHITE) |
| 1 | 161210 | 1 | THERMOSTAT, WALL (BLACK) |
| 2 | 121224 | 2 | SCREW, #10 X 3/4 |
| 3 | 121520 | 2 | SCREW, #8 X 3/8 PHPH BK OXIDE |
| 4 | 30520 | 1 | FRONT, CABINET USE 30785 |
| 4 | 30785 | 1 | FRONT, CABINET |
| 5 | 101887 | 1 | CABINET |
| 6 | 70569 | 1 | BUSHING SNAP |
| 7 | 50711 | 1 | TUBE, INTAKE 2-3/4IN LONG |
| 7 | 50712 | 1 | TUBE, INTAKE 5IN LONG (STANDARD) |
| 7 | 50708 | 1 | TUBE, INTAKE 7-1/4IN LONG |
| 8 | 260098 | 1 | CAP & EXHAUST TUBE ASSM USE 260572 |
| 8 | 260572 | 1 | VENT CAP & EXHAUST TUBE ASSEMBLY |
| 9 | 121853 | 6 | SCREW, #10 X 3/4 |
Suburban NT20SE Switch, Motor & Combustion Air Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 10 | 62476 | 1 | BRACKET, MICRO SW MOUNTING |
| 10A | 121247 | 2 | SCREW, 2-56 X 5/8 HEX |
| 11 | 230933 | 1 | MICRO SWITCH USE 233100 |
| 11 | 233100 | 1 | MICRO SWITCH ASM USE 525028 |
| 11 | 233352 | 1 | MICRO SWITCH |
| 11 | 525028 | 1 | SERVICE KIT, SAIL SWITCH |
| 11A | 121951 | 2 | NUT #2-56 |
| 12 | 20884BK | 1 | COMBUSTION CHAMBER/ SHIELD ASSEMBLY |
| 13 | 121388 | 2 | SCREW, #10 X 1/2 |
| 14 | 120158 | 2 | SCREW, #8 X 3/8 |
| 15 | 70243 | 1 | GROMMET |
| 17 | 230849 | 1 | LIMIT SWITCH |
| 17 | 233020 | 1 | LIMIT SWITCH USE 233484 - Above Serial# 094000057 |
| 17 | 233484 | 1 | LIMIT SWITCH |
| 18 | 120158 | 2 | SCREW, #8 X 3/8 |
| 19 | 120714 | 2 | SCREW, #6 X 1/4 |
| 20 | 230714 | 1 | SPLICER |
| 21 | 120158 | 2 | SCREW, #8 X 3/8 |
| 21A | 120158 | 2 | SCREW, #8 X 3/8 |
| 22 | 70270 | 1 | BUSHING, SNAP 1/2 IN. |
| 23 | 121357 | 1 | SCREW 6 X 5/8 PH PH |
| 24 | 520741 | 1 | MODULE BOARD, WAS SUPERCEEDED BY 520820. USE 521099 |
| 24 | 520820 | 1 | MODULE BOARD, WAS SUPERCEEDED USE 521099 |
| 24 | 521099 | 1 | IGNITION CONTROL MODULE |
| 27 | 62392 | 1 | BRACKET, COMBUSTION AIR HOUSING MOUNTING |
| 28 | 120158 | 2 | SCREW, #8 X 3/8 |
| 29 | 70450 | 1 | GASKET, BURNER TUNNEL |
| 30 | 120717 | 2 | NUT, HEX # 10-24 KEPS |
| 31 | 120158 | 2 | SCREW, #8 X 3/8 |
| 32 | 350082 | 1 | WHEEL, COMBUSTION AIR |
| 33 | 120158 | 9 | SCREW, #8 X 3/8 |
| 34 | 390876 | 1 | HOUSING, COMBUSTION AIR (REAR) |
| 35 | 121329 | 2 | NUT, 10-32 HEX LOCK |
| 36 | 71161 | 1 | GASKET, COMBUSTION AIR BOX USE 70446 |
| 36 | 70446 | 1 | GASKET COMBUSTION AIR BOX |
| 37 | 120722 | 2 | WASHER - FLAT |
| 38 | 390874 | 1 | HOUSING, COMBUSTION AIR (FRONT) |
| 39 | 121928 | 8 | SCREW 6-19 X 1/2 PH PH |
| 40 | 71085 | 1 | MOTOR GASKET |
| 41 | 230634 | 1 | MOTOR USE 232878 |
| 41 | 232878 | 1 | MOTOR USE 520950 |
| 41 | 520950 | 1 | MOTOR KIT W/ GASKETS - NLA |
| 42 | 350083 | 1 | IMPELLER ROOM AIR |
| 43 | 63447 | 1 | BRACKET, COMBUSTION AIR HOUSING MOUNTING |
| 63 | 63249 | 1 | BRACKET, SWITCH MOUNITNG |
| 64 | 232351 | 1 | ON/OFF SWITCH |
| 65 | 120158 | 1 | SCREW, #8 X 3/8 |
Suburban NT20SE Burner, Gas Valve & Manifold Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 44 | 121407 | 2 | SCREW 8-32 X 3/8 HEX BK |
| 45 | 231931 | 1 | ELECTRODE (SINGLE PROBE) |
| 45 | 525033 | 1 | SERVICE KIT, ELECTRODE |
| NS | 231261 | 1 | ELECTRODE WIRE |
| 46 | 70163 | 1 | GASKET, ELECTRODE USE 071076 |
| 46 | 71076 | 1 | BURNER/ELECTRODE GASKET SET USE 72103 |
| 46 | 72103 | 1 | GASKET KIT, BURNER /ELECTRODE |
| 46 | 525011 | 1 | SERVICE KIT, GASKETS BURNER / ELECTRODE |
| 47 | 121388 | 4 | SCREW, #10 X 1/2 |
| 48 | 120717 | 2 | NUT, HEX # 10-24 KEPS |
| 50 | 30621 | 1 | BURNER ACCESS DOOR |
| 51 | 70398 | 1 | GASKET, BURNER ACCESS DOOR USE 071076 |
| 51 | 71076 | 1 | BURNER/ELECTRODE GASKET SET USE 72103 |
| 51 | 72103 | 1 | GASKET KIT, BURNER /ELECTRODE |
| 51 | 525011 | 1 | SERVICE KIT, GASKETS BURNER / ELECTRODE |
| 54 | 170374 | 1 | GAS FITTING, 90° ELBOW |
| 54 | 525025 | 1 | SERVICE KIT, FITTING BRASS 3/8 90 DEG ELBOW |
| 55 | 161123 | 1 | GAS VALVE 3/8 X 1/8 |
| 56 | 62288 | 1 | BRACKET, MANIFOLD MOUNTING |
| 57 | 120158 | 2 | SCREW, #8 X 3/8 |
| 58 | 170744 | 1 | MANIFOLD |
| 59 | 120615 | 4 | SCREW 8 X 1/2 PH PH |
| 60 | 180231 | 1 | ORIFICE, MAIN BURNER |
| 61 | 70449 | 1 | GASKET, MANIFOLD PIPE |
| 62 | 10614 | 1 | BURNER ASSEMBLY USE 10978 |
| 62 | 10978 | 1 | BURNER ASM. W/ACCESS DOOR |
Need help finding the correct Suburban NT20SE furnace part?
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.
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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