Diagram ref 1 · MPN 90960
Atwood 90960 Water Heater Flue Box & Gasket Assembly
View product and availabilityAtwood GC101 Ten-Gallon Pilot Water Heater Illustrated Parts Reference
The GC101 service breakdown organizes the ten-gallon pilot-operated gas water heater and its electric heating components in three illustrated groups. The burner and tank drawing, switch group and heating-element section each have their own callouts; match those references to the model plate.
Reading this diagram: Match the diagram callout and Atwood part number to the original component. Check the water-heater model and production revision, and confirm any superseded number before ordering.
GC101: Pilot burner, ten-gallon tank and housing
| Ref. | Manufacturer # | Qty | Original part description |
|---|---|---|---|
| 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 | 91044 | 1 | Elbow 45 Degree 3/8 X 3/8 |
| 5 | 91347 | 1 | Elbow 1/4 Npt X 3/8 Flair |
| 6 | 93221 | 1 | Main Burner |
| 7 | 93914 | 1 | Main Burner Orifice Use 93915 |
| 7 | 93915 | 1 | Main Burner Orifice |
| 8 | 91441 | 1 | Elbow, 90 Degree 3/8 X 3/8 |
| 9 | 92616 | 1 | Pilot Assembly Use 91603 |
| 9 | 91603 | 1 | Jade Pilot Assy. |
| 10 | 91858 | 1 | Door Hardware Kit |
| 10 | 93915 | 1 | Main Burner Orifice |
| 11 | 93986 | 1 | Door W/Grill - Pol. White 10 Gal |
| 11 | 93993 | 1 | Door W/Grill - Col. White 10 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 |
| 18 | 96010 | 1 | Ring & Gasket - Not Used On This Model |
| 19 | 93935 | 1 | Drawn Pan 10 Gallon Pilot |
| 20 | 91604 | 1 | Pressure Relief Valve, 1/2 Npt 150 Psi |
| 21 | 91238 | 1 | Tank Cover-Bottom-10 Gal Use 93610 |
| 21 | 91239 | 1 | Tank Cover-Upper-10 Gal Use 93610 |
| 21 | 93610 | 1 | Shroud Kit, 10 Gal |
| NS | 91285 | 1 | Jade Orifice Fits #91603 Pilot |
| NS | 91596 | 1 | Inner Tank |
| NS | 92610 | 1 | Rubber Grommet, Gas Line |
GC101: Electrical switch and junction-box components
| Ref. | Manufacturer # | Qty | Original part description |
|---|---|---|---|
| 28 | 91089 | 1 | On/Off Rocker Switch 110vac |
| 29 | 91160 | 1 | Element Use 92249 |
| 29 | 92249 | 1 | Element & Gasket Kit - 110v (Screw In) - NLA |
| 30 | 91873 | 1 | T-Stat & ECO 120 VAC |
GC101: Heating element and temperature safety devices
| Ref. | Manufacturer # | Qty | Original part description |
|---|---|---|---|
| 22 | 91089 | 1 | On/Off Rocker Switch 110vac |
| 23 | 91097 | 1 | Element,Heating 110v Use 91580 |
| 23 | 93089 | 1 | Element,Heating Use 91580 |
| 23 | 91580 | 1 | 110 VAC Bolt-On Element - 1500w |
| 24 | 91951 | 1 | Switch/ECO Use 92942 |
| 24 | 92942 | 1 | Switch, ECO Use 90037 |
| 24 | 90037 | 1 | T-Stat Kit 110v |
| 25 | 92943 | 1 | Thermostat 140 Degree |
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.
Diagram ref 6 · MPN 93221
Atwood 93221 Pilot-Ignition Main Burner for 10-Gallon Heaters
View product and availability
Diagram ref 9 · MPN 91603
Atwood 91603 Jade Pilot Assembly | G6A/GC6A/G10 Water Heaters
View product and availability
Diagram ref 10 · MPN 91858
Atwood 91858 RV Water Heater Access Door Hardware Kit
View product and availability
Diagram ref 13 · MPN 91857
Atwood 91857 Water Heater Drain Plugs - 2 Pack With Wrench
View product and availability
MPN 91604 · 1/2-inch NPT, 150-psi relief valve
Dometic 91604 Water Heater Pressure Relief Valve, 150 PSI, 1/2 Inch
Confirm the original 1/2-inch fitting; a 3/4-inch valve is a different part.
View product and availability
MPN 91873 · 110/120V thermostat and ECO kit
Dometic 91873 110VAC Water Heater Thermostat & ECO Kit
Electric thermostat/ECO service kit; match the original electrical arrangement.
View product and availability
MPN 96010 · Drawn-pan ring and gasket kit
Atwood 96010 RV Water Heater Drawn-Pan Gasket & Ring Kit
Use the numbered gasket reference to confirm the correct service kit.
View product and availabilityAbout NewRVParts
NewRVParts is an online-only source for brand-new RV parts and accessories, truck camper equipment, towing and trailer parts, truck accessories, and marine products. We serve customers throughout Canada and the United States, with products from trusted manufacturers shipped through a large North American distribution network. Shop online for replacement parts, equipment, and accessories delivered directly to your door.
Shop RV Parts