The GC10A3E illustrated list divides the ten-gallon appliance into the main heater section and additional electric heating parts. Even when a part number also appears in GC10A2E records, confirm the specific GC10A3E assembly before ordering.

Identify your water heater: Check the full Atwood model and service revision on the appliance label. Use the drawing callouts and part numbers below to locate the component you need.

GC10A3E — Burner, tank and control components

Atwood GC10A3E water heater exploded parts view
Illustrated assembly 1 — use its callout numbers in the reference table.
Ref. Mfr part # Qty Technical description
1 90960 1 Flue Box Assembly
2 90002 1 Extended Grille-NLA
2 92640 1 Grille Only, New Style Door
3 93986 1 Door W/Grill - Pol. White 10 Gal
3 93993 1 Door W/Grill - Col. White 10 Gal
4 91420 1 Pc Board. Post Electrode Use 91504
4 91504 1 Control Kit (Incl 93865 & 93868) Use 91363
4 91363 1 Universal Ignition Control Kit
4A 93867 1 Board,Circuit Use 93865
4A 93865 1 Pc Board - Spade Electrode Use 91367
4A 91367 1 Pc Board W/Fuse
5 91606 1 Electrode (Remote Sense)
5A 93868 1 Electrode (Local Sense)
6 93919 1 Harness,Wire Use 93189
6 93189 1 Wiring Harness For Circuit Board
7 91044 1 Elbow 45 Degree 3/8 X 3/8
8 93869 1 T-Stat,Gas Use 93870
8 93870 1 Valve, White Rogers Use 93844
8 93844 1 Solenoid Valve, White Rogers See Notes For Use#S
8 92089 1 Gas Valve Assembly W/Orifice 10gal
8B 94787 1 Gas Valve Bracket- One Piece
9 91563 1 Orifice Holder
10 93914 1 Main Burner Orifice Use 93915
10 93915 1 Main Burner Orifice
11 96206 1 Main Burner
12 91858 1 Door Hardware Kit
13 91928 1 Set Of 4 Corner Brackets
14 96010 1 Ring & Gasket
15 91238 1 Tank Cover-Bottom-10 Gal Use 93610
15 91239 1 Tank Cover-Upper-10 Gal Use 93610
15 93610 1 Shroud Kit, 10 Gal
15A 93871 1 Pan, Drawn
28 91447 1 ECO / T-Stat Assy
29A 91561 1 Plug,Drain 1/2 Use 91857
29A 91857 1 Drain Plug, 1/2 In. 2 Pack
30 91604 1 Pressure Relief Valve, 1/2 Npt 150 Psi
31A 91859 1 Switch, On-Off, White
31A 91959 1 Switch, On-Off, Black
33 93866 1 Thermal Cut-Off 190 Degree
NS 90145 1 Fuse, 2 Amp Mini
NS 91089 1 On/Off Rocker Switch 110vac
NS 93951 1 Tank,Inner Use 93953
NS 93953 1 Inner Tank, Conversion Kit

GC10A3E — 120V heating-element parts

Atwood GC10A3E electric thermostat parts illustration
Illustrated assembly 2 — use its callout numbers in the reference table.
Ref. Mfr part # Qty Technical description
19 91182 1 Box, Junction W/On/Off Switch
24 91160 1 Element Use 92249
24 92249 1 Element & Gasket Kit - 110v (Screw In) - NLA
25 91873 1 T-Stat & ECO 120 VAC

Replacement parts shown in the diagrams

Use the manufacturer numbers and numbered diagram references to identify parts. Confirm your heater model and revision; product pages provide current availability.

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