Atwood Excalibur 8935-IIIAC Illustrated Furnace Service Parts

The 8935-IIIAC illustrated reference follows the AC electrical setup for the third-series Excalibur furnace. Check the serial-number qualifiers beside each gas-valve reference before selecting a replacement.

Match the numbered drawing callout to the part description and check any notes about unused, replaced, obsolete or serial-specific components. Select a linked part number to view product details and availability.

Atwood Excalibur 8935-IIIAC furnace original illustrated parts reference
Excalibur 8935-IIIAC source drawing. Use the reference number to locate the corresponding original part entry.

Excalibur 8935-IIIAC service-part references

Drawing reference Manufacturer part number Quantity Component description
1 31017 1 KLIXON TIME DELAY RELAY
2 31030 1 T-STAT - BEIGE USE 38452
2 38452 1 T-STAT HEAT ONLY - BROWN
2 36684 1 T-STAT, WHITE USE 38453
2 38453 1 THERMOSTAT HEAT ONLY - WHITE
3 31361 1 DUCT COVER PLATE, 4 INCH
4 31474 1 DUCT ADAPTER 4 INCH
5 32285 1 ORIFICE #51 LP-35,000 BTU
5 34093 1 ORIFICE NAT. GAS. #32N
6 37107 1 COMBUSTION WHEEL USE 33128
6 33128 1 COMBUSTION AIR WHEEL
7 32841 1 MOTOR GASKET
8 34515 1 REPLACEMENT VALVE COIL - AC
9 36376 1 MANIFOLD INLET - (Before S/N 0657716)
9 37392 1 MANIFOLD OUTLET - (After S/N 0657715)
NS 31043 1 INLET FITTING, MALE BRASS 3/8X3/8
10 33567 1 GAS INLET PLUG
10 37410 1 GAS INLET PLUG - (After S/N 0657715)
11 33729 1 SLIDE PLATE - NLA
11 37442 1 SLIDE PLATE - (After S/N 0657715)
14 33854 1 RECESSED DOOR PANEL CW
16 34006 1 GAS VALVE - AC - (Before S/N 0657716)
16 37384 1 VALVE W/R 25M18-711 USE 38603 - (After S/N 0657715)
16 38603 1 GAS VALVE, SIDE OUTLET 24VAC COIL - (After S/N 0657715)
17 34014 1 BLOWER HOUSING COVER - OUTSIDE
18 35137 1 SAIL SWITCH USE 37716
18 37716 1 SAIL SWITCH USE 36680
18 36680 1 SAIL SWITCH USE 31377
18 31377 1 SAIL SWITCH
20 35791 1 HYDRO FLAME 5AMP BREAKER
23 34037 1 JUNCTION BOX ASSY AC
24 34039 1 MOTOR CAPACITOR AC
25 34053 1 GASKET, EXHAUST WALL - (Before S/N 1259907)
25 37956 1 GASKET, HEATING ELEMENT - (After S/N 1259906)
28 34515 1 REPLACEMENT VALVE COIL - AC
29 34550 1 BLOWER WHEEL USE 34099
29 34099 1 BLOWER WHEEL
30 32172 1 DSI ELECTRODE GASKET-DUAL SENSE
30 37100 1 SINGLE SENSE ELECTRODE GASKET
30 37057 1 SINGLE SENSE ELECTRODE USE 34570
30.2 34570 1 SINGLE SENSE ELECTRODE W/LEAD
30 36997 1 ELECTRODE-DUAL SENSE
31 36205 1 THERMAL CUT OFF 89-II
31 37021 1 LIMIT SWITCH, 170 DEGREE
32 35491 1 BURNER ASSY USE 30209
32 30209 1 BURNER HEAD, LP/NAT GAS
33 34976 1 HEAT ELEMENT
34 35119 1 FENWALL DSI BOARD AC USE 37515
34 37515 1 DSI BOARD - AC
NS 33686 1 IGNITION BOARD BRACKET USE 34541
NS 34541 1 BRACKET DSI DC MOUNT
35 35121 1 TRANSFORMER AC89 USE 33784
35 33784 1 24 VAC TRANSFORMER
36 35122 1 MOTOR AC
NS 34039 1 MOTOR CAPACITOR AC
37 35193 1 HIGH TENSION LEAD USE 34571 - (Before S/N 0657716)
37 34571 1 KIT, LD2 HIGH TENSION LEADS - (Before S/N 0657716)
37 37419 1 HIGH TENSION WIRE - (After S/N 0657715)
39 36895 1 DRAFT CAP ASSY AC
40 33653 1 BOTTOM PLENUM PLATE
40 34551 1 BOTTOM DISCHARGE GASKET
41 33754 1 DOOR ASSY, DELUXE, 02, COLONIAL WHITE
41 33756 1 DOOR ASSY, DELUXE, 04. POLAR WHITE
42 33647 1 BURNER BOX ASSY
43 33847 1 DOOR CATCH SCREW TYPE (2PK)
44 33851 1 RECESS PAN BRACKET
45 34084 1 RAIN SHIELD
NS 36121 1 ON-OFF SWITCH USE 31092
NS 31092 1 ON/OFF SWITCH KIT
NS 37443 1 WIRING HARNESS COMPLETE AC

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