Atwood G6A3 Pilot-Lit RV Water Heater Exploded Parts Reference
The G6A3 reference presents the traditional pilot-operated gas water heater as a single exploded parts sequence. Use its callouts for the pilot flame hardware and thermostat assembly without treating later electronic-ignition water heaters as direct equivalents.
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.
Dometic 91604 Water Heater Pressure Relief Valve, 150 PSI, 1/2 InchPart 91604 · 1/2-inch 150-psi relief fitting. Compare the original thread size.
Dometic 91386 Atwood RV Water Heater Access Door, 6 Gallon, Arctic White SteelPart 91386 · Six-gallon Arctic White access door. Check the mounting and finish.
Choose by model and part number: Use the drawing callouts to identify the component, then compare its number with the original part and appliance label. Confirm superseded numbers and model revisions before ordering.
G6A3: Gas pilot, cabinet and water-tank assembly
| Ref. | Manufacturer # | Qty | Service component |
|---|---|---|---|
| 1 | 90960 | 1 | Flue Box Assembly |
| 2 | 92640 | 1 | Grille Only, New Style Door |
| 3 | 91602 | 1 | Robertshaw T-stat, 3/8 Npt X 3/8 Npt |
| 4 | 91601 | 1 | White Rodgers T-stat Use 91602 |
| 5 | 91347 | 1 | Elbow 1/4 Npt X 3/8 Flair |
| 6 | 92615 | 1 | Main Burner Assy |
| 7 | 92742 | 1 | Main Burner Orifice Use Dometic Part# 92743 |
| 8 | 92741 | 1 | Elbow, Main Burner Orifice |
| 9 | 92616 | 1 | Pilot Assembly Use 91603 |
| 9 | 91603 | 1 | Jade Pilot Assy. |
| 10 | 91858 | 1 | Door Hardware Kit |
| 11 | 91502 | 1 | Door, White - 6 Gal. Use 91386 |
| 11 | 91386 | 1 | Access Door 6 Gal. Pw |
| 11 | 91514 | 1 | Door, Col. White - 6 Gal. |
| 12 | 91928 | 1 | Set Of 4 Corner Brackets |
| 13 | 91561 | 1 | Plug,Drain 1/2 Use 91857 |
| 13 | 91857 | 1 | Drain Plug, 1/2 In. 2 Pack |
| 14 | 92698 | 1 | Petcock Drain Valve 1/8 In |
| 15 | 93804 | 1 | Electrode W/L Plate |
| 16 | 93801 | 1 | Ignition Module |
| 17 | 93803 | 1 | Harness, Wiring |
| 18 | 96010 | 1 | Ring & Gasket |
| 19 | 91796 | 1 | Pan Drawn |
| 20 | 90028 | 1 | Pressure Relief Valve, 3/4 Npt 150 Psi |
| 20 | 91604 | 1 | Pressure Relief Valve, 1/2 Npt 150 Psi |
| 21 | 92220 | 1 | Tank Cover- Bottom Use 93100 |
| 21 | 92221 | 1 | Tank Cover-Top Use 93100 |
| NS | 93100 | 1 | Tank Cover Kit |
| NS | 91285 | 1 | Jade Orifice Fits #91603 Pilot |
| NS | 91412 | 1 | Inner Tank - NLA |
| NS | 92610 | 1 | Rubber Grommet, Gas Line |
| NS | 92973 | 1 | Inverted Flare Adapter |
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