Dometic G9EXT Water Heater Parts Diagram & OEM Parts List
Use this Dometic G9EXT XT 6 gallon gas DSI RV water heater parts breakdown to identify replacement inner tanks, heating elements, relays, control boards, ignitor electrodes, gas valves, burners, thermostats, mixing valves, hoses, drain plugs and other OEM RV water heater service parts.

Dometic G9EXT Main Water Heater Parts Breakdown
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 4006 | 91641 | 1 | INNER TANK G6A/G9EXT |
| 4025 | 93100 | 1 | TANK SHROUD KIT 6 GAL |
| 4037 | 91802 | 1 | DRAWN PAN 6 GAL ELECTRONIC |
| 4045 | 91604 | 1 | PRESSURE RELIEF VALVE, 1/2 IN. |
| 4048 | 90028 | 1 | PRESSURE RELIEF VALVE, 3/4 IN. 150 PSI |
| 4055 | 96010 | 1 | KIT, SVC GASKET, RING SEAL |
| 4058 | 90960 | 1 | FLUE BOX ASSEMBLY W/GASKET |
| 4060 | 92069 | 1 | KIT, SVC GROMMET, PAN |
| 4062 | 91857 | 1 | DRAIN PLUG, PLASTIC 1/2-14NPT (2PK) |
| 4064 | 92067 | 1 | KIT, SVC BRACKETS, CORNER |
| 4070 | 92056 | 1 | KIT, SVC FITTING, ELBOW 45 DEGREE |
| 4075 | 91638 | 1 | MAIN BURNER 6 GAL DSI |
| 4079 | 92065 | 1 | KIT, SVC FITTING, ORIFICE |
| 4085 | 92743 | 1 | KIT, MAIN BURNER ORIFICE 6 GAL |
| 4096 | 92249 | 1 | HEATING ELEMENT W/GASKET, SCREW IN USE 92097 |
| 4096 | 92097 | 1 | HEATING ELEMENT W/GASKET, SCREW IN |
| 4098 | 91547 | 1 | T-STAT/ECO XT |
| 4100 | 93849 | 1 | RELAY |
| NS | 90145 | 1 | KIT, SVC FUSE 2 AMP |
| 4104 | 93866 | 1 | KIT, SVC THERMAL CUT-OFF |
| 4108 | 91859 | 1 | SWITCH PACKAGE-WHITE |
| 4109 | 91959 | 1 | SWITCH PACKAGE-BLACK |
| 4112 | 91230 | 1 | SWITCH PANEL ASSEMBLY, SWITCH/LIGHT |
| 4117 | 91222 | 1 | JUNCTION BOX 6 GAL |
| 4119 | 91223 | 1 | JUNCTION BOX COVER, 6 GAL |
| 4125 | 91858 | 1 | DOOR HARDWARE KIT |
| 4128 | 91386 | 1 | DOOR ASSM, 6 GAL, ARCTIC WHITE |
| 4152 | 92640 | 1 | DOOR GRILLE, SNAP IN |
| 4162 | 91365 | 1 | PC BOARD KIT W/FUSE |
| 4162 | 92074 | 1 | EDGE PIN KIT , FOR 91365 BOARD |
| 4171 | 93868 | 1 | IGNITOR ELECTRODE |
| 4178 | 93314 | 1 | HARNESS, WIRING, WTR HTR PIN |
| 4186 | 93844 | 1 | GAS CONTROL VALVE-SEVEN U SEE NOTES FOR USE#S |
| 4186 | 92078 | 1 | GAS VALVE ASSEMBLY W/ORIFICE |
| 4190 | 94787 | 1 | VALVE MOUNTING BRACKET |
Dometic G9EXT Mixing Valve & Plumbing Parts Breakdown
| Reference # | Mfg Part Number | Qty | Description |
|---|---|---|---|
| 4221 | 90034 | 1 | ELBOW 1/2 |
| 4222 | 90032 | 1 | HOSE 9 INCH |
| 4223 | 90029 | 1 | MIXING VALVE |
| 4224 | 90030 | 1 | BALL VALVE 1/2 FBV-3THA |
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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