Atwood GC6AA7E Gas/Electric Water Heater Exploded Parts Drawings
The GC6AA7E service breakdown separates the gas, tank and ignition assembly from the electric heating elements and controls. Use each numbered original reference with the model on the water heater data plate; early and later GC6AA versions are not identical.
Parts pictured in this guide
Select an image for product details, or jump to the numbered diagrams and parts lists. Match the complete appliance model and part number 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.
GC6AA7E — Gas and ignition assembly

| 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 | 91502 | 1 | Door, White - 6 Gal. Use 91386 |
| 3 | 91386 | 1 | Access Door 6 Gal. Pw |
| 3 | 91514 | 1 | Door, Col. White - 6 Gal. |
| 4A | 93867 | 1 | Board,Circuit Use 93865 |
| 4A | 93865 | 1 | Pc Board - Spade Electrode Use 91367 |
| 4A | 91367 | 1 | Pc Board W/Fuse |
| 5 | 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 |
| 8A | 93243 | 1 | Bracket For 6 Gal Gas Valve Use 94787 |
| 8B | 94787 | 1 | Gas Valve Bracket- One Piece |
| 8 | 93870 | 1 | Valve, White Rogers Use 93844 |
| 8 | 93844 | 1 | Solenoid Valve, White Rogers See Notes For Use#S |
| 8 | 92078 | 1 | Gas Valve Assembly W/Orifice 6gal |
| 9 | 91563 | 1 | Orifice Holder |
| 10 | 92742 | 1 | Main Burner Orifice Use Dometic Part# 92743 |
| 11 | 91638 | 1 | Main Burner |
| 12 | 91858 | 1 | Door Hardware Kit |
| 13 | 91928 | 1 | Set Of 4 Corner Brackets |
| 14 | 96010 | 1 | Ring & Gasket |
| 15 | 91802 | 1 | Drawn Pan, Electronic |
| 15 | 92220 | 1 | Tank Cover- Bottom Use 93100 |
| 15 | 92221 | 1 | Tank Cover-Top Use 93100 |
| 15 | 93100 | 1 | Tank Cover Kit |
| 24 | 91160 | 1 | Element Use 92249 |
| 24 | 92249 | 1 | Element & Gasket Kit - 110v (Screw In) - NLA |
| 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 |
| 31 | 91230 | 1 | Switch Kit, 12 Vdc - Combo |
| 31 | 91859 | 1 | Switch, On-Off, White |
| 31 | 91959 | 1 | Switch, On-Off, Black |
| 32 | 93866 | 1 | Thermal Cut-Off 190 Degree |
| NS | 91470 | 1 | T-Stat 130 Degree- Front Mount |
| NS | 91593 | 1 | Inner Tank |
| NS | 92610 | 1 | Rubber Grommet, Gas Line |
| NS | 93105 | 1 | Electronic Adj Thermostat |
GC6AA7E — Electric heating system references
These supplemental service parts are listed without a separate drawing. Match the part number to the original component and water-heater model.
| Ref. | Mfr part # | Qty | Technical description |
|---|---|---|---|
| 23 | 91116 | 1 | On/Off Switch & Junction Box |
| 24 | 91160 | 1 | Element Use 92249 |
| 24 | 92249 | 1 | Element & Gasket Kit - 110v (Screw In) - NLA |
| 25 | 91873 | 1 | T-Stat & ECO 120 VAC |
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