Atwood Excalibur 8520-II 20,000 BTU RV Furnace Parts List
Find replacement parts for the Atwood Excalibur 8520-II 20,000 BTU RV furnace. Use the OEM parts breakdown below to identify the correct blower wheel, motor, gas valve, ignition board, sail switch, thermostat, heating element, burner, manifold and furnace components.

Atwood Excalibur 8520-II Furnace Parts Breakdown
| Reference # | Mfg Part Number | Qty | Product Description |
|---|---|---|---|
| 1 | 33619 | 1 | BLOWER WHEEL 85II,16 |
| 2 | 33580 | 1 | BLOWER HOUSING COVER |
| 3 | 33639 | 1 | BLOWER HOUSING ASSY |
| 5 | 33647 | 1 | BURNER BOX ASSY |
| 6 | 33842 | 1 | BURNER - NLA |
| 7 | 33165 | 1 | EXTENSION BOX KIT |
| 8 | 31028 | 1 | 5AMP CIRCUIT BREAKER |
| 9 | 33475 | 1 | REPLACEMENT VALVE COIL - DC USE 31000 |
| 9 | 31000 | 1 | COIL, WHITE ROGERS DC |
| 10 | 37107 | 1 | COMBUSTION WHEEL USE 33128 |
| 10 | 33128 | 1 | COMBUSTION AIR WHEEL |
| 11 | 36175 | 1 | CONTROL BOX ASSY |
| 12 | 33620 | 1 | INNER DOOR HINGE - 1PR |
| 13 | 33754 | 1 | DOOR ASSY, DELUXE, 02, COLONIAL WHITE |
| 13 | 33756 | 1 | DOOR ASSY, DELUXE, 04, POLAR WHITE |
| 13 | 33764 | 1 | EXCALIBUR DOOR, BEIGE |
| 13 | 34517 | 1 | EXCALIBUR DOOR, GREY |
| 14 | 33729 | 1 | SLIDE PLATE - NLA |
| 15 | 31030 | 1 | T-STAT - BEIGE USE 38452 |
| 15 | 38452 | 1 | T-STAT HEAT ONLY - BROWN |
| 15 | 38453 | 1 | THERMOSTAT HEAT ONLY - WHITE |
| 16 | 33586 | 1 | VALVE BRACKET |
| 17 | 33337 | 1 | WHITE ROGERS VALVE USE 38607 |
| 17 | 38607 | 1 | GAS VALVE USE 31155 |
| 17 | 31155 | 1 | KIT, VALVE STRAIGHT, 12VDC WHITE-RODGERS |
| 18 | 34514 | 1 | WIRING HARNESS ASSY |
| 19 | 38141 | 1 | DRAFT CAP |
| 20 | 36716 | 1 | IGNITION BOARD (DC) WAS SUPERCEEDED BY 38676 USE 31501 |
| 20 | 38676 | 1 | DSI BOARD WAS SUPERCEEDED USE 31501 |
| 20 | 31501 | 1 | ELECTRONIC IGNITION BOARD |
| 21 | 34541 | 1 | BRACKET DSI DC MOUNT |
| 22 | 31474 | 1 | DUCT ADAPTER 4 INCH |
| 23 | 31361 | 1 | DUCT COVER PLATE, 4 INCH |
| 24 | 36999 | 1 | DUAL SENSE ELECTRODE USE 33625 |
| 25 | 32172 | 1 | DSI ELECTRODE GASKET-DUAL SENSE |
| 26 | 34438 | 1 | FLEX ADAPTER PLATE |
| 27 | 33567 | 1 | GAS INLET PLUG |
| 28 | 35193 | 1 | HIGH TENSION LEAD USE 34571 |
| 28 | 34571 | 1 | KIT, LD2 HIGH TENSION LEADS |
| 29 | 33565 | 1 | INLET MANIFOLD |
| 30 | 32844 | 1 | BOTTOM PLENUM PLATE COVER |
| 31 | 33579 | 1 | INNER DOOR |
| 32 | 35132 | 1 | LIMIT SWITCH L130,85-11&89-1 |
| 33 | 37360 | 1 | MOTOR BRACKET |
| 34 | 33634 | 1 | MOTOR MOUNTING WALL |
| 35 | 32841 | 1 | MOTOR GASKET |
| 36 | 33219 | 1 | MOTOR USE 30131 |
| 37 | 31257 | 1 | BURNER ORIFICE #56 |
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 and serial number.
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