Atwood GEH16EXT Water Heater Parts Diagram & OEM Parts List
Use this Atwood GEH16EXT XT 10 gallon exothermal DSI heat exchange RV water heater parts diagram to identify the correct OEM replacement inner tanks, gas valves, circuit boards, thermostats, mixing valves, heating elements, relays and other genuine service parts.

Atwood GEH16EXT Main Parts Breakdown
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 1 | 91028 | 1 | INNER TANK |
| 2 | 90960 | 1 | FLUE BOX ASSEMBLY |
| 3 | 91857 | 1 | DRAIN PLUG, 1/2 IN. 2 PACK |
| 4 | 90028 | 1 | PRESSURE RELIEF VALVE, 3/4 NPT 150 PSI |
| 4 | 91604 | 1 | PRESSURE RELIEF VALVE, 1/2 NPT 150 PSI |
| 9 | 93870 | 1 | VALVE, WHITE ROGERS USE 93844 |
| 9 | 93844 | 1 | SOLENOID VALVE, WHITE ROGERS SEE NOTES FOR USE#S |
| 9 | 92089 | 1 | GAS VALVE ASSEMBLY W/ORIFICE 10GAL |
| 11 | 91230 | 1 | SWITCH KIT, 12 VDC - COMBO |
| 11 | 91859 | 1 | SWITCH, ON-OFF, WHITE |
| 11 | 91959 | 1 | SWITCH, ON-OFF, BLACK |
| 12 | 91365 | 1 | POTTED CIRCUIT BOARD KIT W/FUSE |
| 12 | 93851 | 1 | PC BOARD POTTED - COMBO USE 91365 |
| 13 | 93191 | 1 | HARNESS, WIRING COMBO USE DOMETIC 93315 |
| 15 | 93866 | 1 | THERMAL CUT-OFF 190 DEGREE |
| 16 | 93868 | 1 | ELECTRODE (LOCAL SENSE) |
| 17 | 91547 | 1 | ECO / T-STAT |

Atwood GEH16EXT Mixing Valve & Electric Parts Breakdown
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 18 | 90029 | 1 | MIXING VALVE |
| 19 | 90030 | 1 | VALVE, BALL SVC KIT |
| 20 | 90031 | 1 | TEE |
| 21B | 90033 | 1 | 12 IN. HOSE |
| 22 | 90034 | 1 | ELBOW 1/2 IN M-M |
| NS | 92690 | 1 | REPLACEMENT MIXING VALVE KIT |
| NS | 92249 | 1 | ELEMENT & GASKET KIT - 110V (SCREW IN) - NLA |
| NS | 93849 | 1 | RELAY KIT, T-STAT |
Click any manufacturer part number above to search our inventory. If you cannot find the part you need, contact us with your water heater model number, serial number and part number.
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