For the AFMD30131 medium-series furnace, use this illustrated service-parts reference to identify the access-door assemblies, adapters, ignition and safety hardware, gas train, and blower components. Read the reference number alongside its original part number; kit and colour alternatives appear as separate rows.
The reference drawing comes from the existing AFMD-series service parts record. Related model variants may share an illustration; use the exact model-specific parts list below rather than assuming every version uses identical fittings.
AFMD30131 original manufacturer parts references
| Reference | Manufacturer part number | Quantity | Component description |
|---|---|---|---|
| 1 | 30335 | 1 | CIRCUIT BREAKER 10 AMP |
| 2 | 31863 | 1 | DOOR KIT, M-F #34 ARTIC WHITE |
| 2 | 31874 | 1 | DOOR KIT, M-F #44 BLACK |
| 3 | 30539 | 1 | DOOR KIT, M #34 ARTIC WHITE |
| 3 | 30637 | 1 | DOOR KIT, M #44 BLACK |
| 4 | 31876 | 1 | VENT ADAPTER DOOR |
| 5 | 36688 | 1 | DUCT ADAPTER 2 INCH |
| 6 | 31474 | 1 | DUCT ADAPTER 4 INCH |
| 7 | 30205 | 1 | ADAPTER PLATE KIT, SIDE DISCH |
| 8 | 30261 | 1 | BOTTOM PLATE ADAPTER ASM. |
| 9 | 31361 | 1 | DUCT COVER PLATE, 4 INCH |
| 10 | 35100 | 1 | ELECTRODE ASM. SMALL |
| 11 | 35710 | 1 | HEAT EXCHANGER KIT, M |
| 12 | 31244 | 1 | CASING LEG |
| 13 | 35706 | 1 | GAS LINE GROMMET |
| 14 | 30268 | 1 | BURNER HEAD, LP GAS |
| 15 | 31501 | 1 | ELECTRONIC IGNITION BOARD |
| 15 | 32353 | 1 | UNIVERSAL IGNITION DC SMT |
| 16 | 32349 | 1 | MANIFOLD, INLET SMALL |
| 16 | 35712 | 1 | MANIFOLD EXT ASM KIT, SML |
| 17 | 30722 | 1 | MOTOR KIT |
| 18 | 31081 | 1 | ORIFICE KIT, #52 LP |
| 19 | 31091 | 1 | LIMIT SWITCH, 190 DEGREE |
| 20 | 31094 | 1 | SAIL SWITCH KIT, SML-WHITE - Serial# 724 and below |
| 20 | 33063 | 1 | SAIL SWITCH DF-BLACK - NLA - Serial# 724 and higher |
| 21 | 32300 | 1 | THERMOSTAT, HEAT ONLY, BLACK |
| 21 | 38452 | 1 | T-STAT HEAT ONLY - BROWN |
| 21 | 38453 | 1 | THERMOSTAT HEAT ONLY - WHITE |
| 23 | 31098 | 1 | VALVE 12VDC TOP SMALL |
| 24 | 31809 | 1 | DOOR VENT KIT ASM 1.10 V4 |
| 31 | 33128 | 1 | COMBUSTION AIR WHEEL |
| 32 | 33126 | 1 | BLOWER WHEEL KIT |
| 33 | 31114 | 1 | WIRING HARNESS, DC |
| NS | 32395 | 1 | GASKET KIT, MEDIUM DOOR V2 |
| NS | 32397 | 1 | GASKET KIT, MEDIUM DOOR V4 |
Replacement parts shown in the diagram
These catalog products match the manufacturer numbers linked in the reference table. Check the complete furnace model, serial range and original component before ordering. Current availability appears on each product page.
Ref 1 · MPN 30335
Atwood 30335 AFMD25 Furnace Circuit Breaker - 10 Amp
View product and availability
Ref 6 · MPN 31474
Atwood 31474 Aluminum 4-Inch RV Furnace Duct Collar
View product and availability
Ref 14 · MPN 30268
Atwood 30268 LP-Gas Furnace Burner Head
View product and availability
Ref 15 · MPN 31501
Atwood 31501 12V DSI Furnace Ignition Board With Fan Control
View product and availability
Ref 19 · MPN 31091
Atwood 31091 190°F RV Furnace High-Limit Safety Switch
View product and availability
Ref 32 · MPN 33126
Atwood 33126 Furnace Blower Wheel with Clamp - 8500 Series
View product and availability