Atwood GC102 Ten-Gallon Gas/Electric Pilot Heater Parts Diagrams
The GC102 original diagrams cover the ten-gallon pilot burner and tank, a short electric service section, and a separate 110-volt heating-component reference. Components in these distinct drawings must be identified by their callout, not by resemblance to the GC101 or GC102P versions.
View GC102 replacement part photographs
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 Check the water-heater model and production revision, and confirm any superseded number before ordering.
GC102: Pilot gas and tank assembly
| 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 |
| 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 |
| 16 | 93801 | 1 | Ignition Module - Not Used On This Model |
| 17 | 93803 | 1 | Harness, Wiring - Not Used On This Model |
| 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 |
GC102: Electric switch service list
| Ref. | Manufacturer # | Qty | Original part description |
|---|---|---|---|
| 28 | 91116 | 1 | On/Off Switch & Junction Box - Not Used On This Model |
| 29 | 91160 | 1 | Element Use 92249 |
| 29 | 92249 | 1 | Element & Gasket Kit - 110v (Screw In) - NLA |
| 30 | 91873 | 1 | T-Stat & ECO 120 VAC |
GC102: 110-volt heater and ECO components
| Ref. | Manufacturer # | Qty | Original part description |
|---|---|---|---|
| 22 | 91182 | 1 | Box, Junction W/On/Off Switch - Not Used On This Model |
| 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 |
GC102 replacement parts with photographs
These products correspond to exact manufacturer numbers in the three reference diagrams above. Confirm the original part, burner arrangement, electrical configuration and complete model before ordering.
Gas flue-box assemblyPart 90960View listing and availability
Pilot assemblyPart 91603View listing and availability
Ten-gallon pilot burnerPart 93221View listing and availability
Drain plug kitPart 91857View listing and availability
1/2-inch relief valvePart 91604View listing and availability
120V thermostat/ECO kitPart 91873View listing and availability
About 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