Suburban P40B Furnace Parts Diagram & OEM Parts List
Use this Suburban P40B 40K Park Model furnace parts breakdown to identify replacement cabinet parts, thermostats, transformers, electrodes, module boards, burner parts, gas valves, motors, sail switches, blower wheels, vent parts and other OEM RV furnace service parts.

Suburban P40B Cabinet & Exterior Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 1 | 102274 | 1 | CABINET ASSEMBLY P40B |
| 2 | 121662 | 2 | FASTNER TINNERMAN USE 122060 |
| 2 | 122060 | 2 | FASTENER, TINNERMAN |
| 4 | 101878 | 1 | CABINET FRONT |
| 6 | 50715 | 4 | DUCT COLLAR, 4 IN. |
| 7 | 161154 | 1 | THERMOSTAT, WALL (WHITE) |
| 9 | 90544 | 1 | JUNCTION BOX COVER |
| 10 | 231827 | 2 | BUSHING, SNAP 7/8IN |

Suburban P40B Core, Controls & Vent Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 11 | 520944 | 1 | TRANSFORMER, 24VAC |
| 13 | 021203BK | 1 | COMBUSTION CHAMBER ASSEMBLY |
| 15 | 70163 | 1 | GASKET, ELECTRODE USE 071076 |
| 15 | 71076 | 1 | BURNER/ELECTRODE GASKET SET USE 72103 |
| 15 | 72103 | 1 | GASKET KIT, BURNER /ELECTRODE |
| 15 | 525011 | 1 | SERVICE KIT, GASKETS BURNER / ELECTRODE |
| 16 | 230956 | 1 | ELECTRODE 3 PRONG |
| 16 | 525019 | 1 | SERVICE KIT, ELECTRODE |
| NS | 231261 | 1 | ELECTRODE WIRE |
| 19 | 30764 | 1 | BURNER ACCESS DOOR |
| 20 | 70398 | 1 | GASKET, BURNER ACCESS DOOR USE 071076 |
| 20 | 71076 | 1 | BURNER/ELECTRODE GASKET SET USE 72103 |
| 20 | 72103 | 1 | GASKET KIT, BURNER /ELECTRODE |
| 20 | 525011 | 1 | SERVICE KIT, GASKETS BURNER / ELECTRODE |
| 22 | 230825 | 1 | LIMIT SWITCH 195 DEGREE |
| 24 | 70362 | 1 | BUSHING, SNAP |
| 26 | 230714 | 1 | SPLICER |
| 28 | 63248 | 1 | BRACKET POWER SUPPLY |
| 32 | 520947 | 1 | MODULE BOARD 24V |
| 34 | 70538 | 1 | INSULATOR, MODULE BOARD |
| 35 | 231827 | 1 | BUSHING, SNAP 7/8IN |
| 36 | 90301 | 1 | PANEL, BOARD MOUNTING |
| 39 | 52041 | 1 | INTAKE TUBE ASSY |
| 40 | 260560 | 1 | VENT CAP, EXHAUST TUBE, RAIN SHEILD ASSY |

Suburban P40B Burner & Gas Valve Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 44 | 10702 | 1 | BURNER ASSY |
| 45 | 180216 | 1 | ORIFICE #49 (LP GAS ONLY) |
| 45 | 180259 | 1 | ORIFICE #30 (NATURAL GAS ONLY) |
| 46 | 70408 | 1 | GASKET, MANIFOLD PIPE |
| 48 | 171034 | 1 | MANIFOLD PIPE |
| 49 | 62819 | 1 | VALVE MOUNTING BRACKET |
| 50 | 170375 | 1 | BRASS GAS FITTING |
| 53 | 161132 | 1 | VALVE 24V.A.C. |

Suburban P40B Motor, Blower & Combustion Air Parts
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 54 | 121595 | 4 | TINNERMAN U-CLIP |
| 55 | 232846 | 1 | MOTOR |
| 56 | 121951 | 2 | NUT #2-56 |
| 57 | 121247 | 2 | SCREW, 2-56 X 5/8 HEX |
| 58 | 232325 | 1 | SAIL SWITCH USE 233070 |
| 58 | 233070 | 1 | SAIL SWITCH USE 233242 |
| 58 | 233242 | 1 | SAIL SWITCH USE 233383 |
| 58 | 233383 | 1 | SAIL SWITCH |
| 59 | 520837 | 1 | CAPACITOR, W/ BOOT |
| 60 | 390543BK | 1 | BLOWER HOUSING ASSY |
| 61 | 520837 | 1 | CAPACITOR, W/ BOOT |
| 63 | 62925 | 1 | CLAMP, CAPACITOR |
| 64 | 350086 | 1 | WHEEL, ROOM AIR |
| 66 | 70385 | 2 | GASKET CROSSOVER TUBE |
| 67 | 50751 | 1 | TUBE, CROSSOVER |
| 69 | 70844 | 1 | GASKET, MOTOR |
| 70 | 391021BK | 1 | COMBUSTION AIR HOUSING ASSM. |
| 71 | 70362 | 1 | BUSHING, SNAP |
| 74 | 350124 | 1 | WHEEL, COMBUSTION AIR |
| 75 | 70386 | 1 | GASKET, COMBUSTION AIR |
| 76 | 121712 | 1 | BOLT, TINNERMAN |
| 77 | 390424 | 1 | HOUSING, COMBUSTION AIR (OUTSIDE) |
| 79 | 63522 | 1 | SUPPORT BRACKET |
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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