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

Atwood Excalibur 8520-III Furnace Parts Breakdown
| Reference # | Mfg Part Number | Qty | Product Description |
|---|---|---|---|
| 1 | 36170 | 1 | BLOWER WHEEL USE 37764 |
| 1 | 37764 | 1 | BLOWER WHEEL USE 33126 |
| 1 | 33126 | 1 | BLOWER WHEEL KIT |
| 2 | 33580 | 1 | BLOWER HOUSING COVER |
| 3 | 36178 | 1 | BLOWER HOUSING ASSEMBLY |
| 4 | 36332 | 1 | PLATE & GASKET ASSY |
| 5 | 33647 | 1 | BURNER BOX ASSY |
| 6 | 33842 | 1 | BURNER - NLA |
| 7 | 33165 | 1 | EXTENSION BOX KIT |
| 8 | 35791 | 1 | HYDRO FLAME 5AMP BREAKER |
| 8 | 32331 | 1 | 7AMP CIRCUIT BREAKER USE 33751 |
| 8 | 33751 | 1 | CIRCUIT BREAKER 7-AMP |
| 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 - BEFORE S/N 0654748 |
| 14 | 37411 | 1 | SLIDE PLATE - AFTER S/N 0654747 |
| 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 - BEFORE S/N 0654748 |
| 17 | 38607 | 1 | GAS VALVE USE 31155 - BEFORE S/N 0654748 |
| 17 | 31155 | 1 | KIT, VALVE STRAIGHT, 12VDC WHITE-RODGERS - BEFORE S/N 0654748 |
| 17 | 37383 | 1 | GAS VALVE, SIDE OUTLET USE 31150 - AFTER S/N 0651155 |
| 17 | 38604 | 1 | WHITE ROGERS VALVE USE 31150 - AFTER S/N 0654748 |
| 17 | 31150 | 1 | GAS VALVE, SIDE OUTLET, 12 VDC COIL - WHITE-ROGERS - AFTER S/N 0654748 |
| 18 | 36180 | 1 | WIRING HARNESS ASSY |
| 18 | 36290 | 1 | FIELD PLUG ASSEMBLY |
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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