Identify Suburban RV Water Heater Doors by MPN, Tank & Corner Style
If a Suburban heater door has been lost, rusted or bent, you need more than a door with the right colour. Find the model identification on the heater, note the style of the original exterior frame, and compare the complete manufacturer part number. This guide separates SW storage-tank doors from the SAW6 direct-fit family so you can identify a matching replacement.
Look at the heater first, not just the door
Check the model plateLook for SW4, SW6, SW10, SW12, SW16 or a SAW6D/DE/DEL family model. A similar door does not prove the heater model.
Note the exterior frameIs the original door flush against the surround, or does it have rounded corners? Record the existing frame and latch arrangement.
Read the full MPNPart numbers differ by capacity and finish. Even two white doors may be different sizes or shades.
Recognize the exterior door style
A rounded outer-door shape and a flush-mounted rectangular door can have different frame requirements. Use these simple shape sketches to describe the original door, not to establish fit from appearance.
Flush-mount style
Illustrative outline
Check 6255 / 6259 groups
Radius-corner style
Illustrative outline
Check 6261 / 6287 groups
Simplified, original shape illustration — not to scale. SAW6 direct-fit doors are a separate product family.
Identify the original access door by number
The following numbers and descriptions follow Suburban's water-heater catalog. The door family and capacity are more important than a close colour match.
| Part no. | Heater | Capacity | Style | Finish | Listing |
|---|---|---|---|---|---|
| 6255ACW | SW tank | 4 or 6 gallons | Flush mount | Colonial White | View |
| 6255AEB | SW tank | 4 or 6 gallons | Flush mount | Black | View |
| 6255APW | SW tank | 4 or 6 gallons | Flush mount | Polar White | View |
| 6259ACW | SW tank | 10, 12 or 16 gallons | Flush mount | Colonial White | View |
| 6259AEB | SW tank | 10, 12 or 16 gallons | Flush mount | Black | View |
| 6259APW | SW tank | 10, 12 or 16 gallons | Flush mount | Polar White | View |
| 6261ACW | SW tank | 4 or 6 gallons | Radius corner | Colonial White | View |
| 6261APW | SW tank | 4 or 6 gallons | Radius corner | Polar White | View |
| 6279AAW | SAW6 direct-fit | 6 gallons | SAW6 door family | Arctic White | View |
| 6279AEB | SAW6 direct-fit | 6 gallons | SAW6 door family | Black | View |
| 6279APW | SAW6 direct-fit | 6 gallons | SAW6 door family | Polar White | View |
| 6287AEB | SW tank | 4 or 6 gallons | Radius corner | Black | View |
Matching note: The heater model and installed access frame must be confirmed. The SAW6 direct-fit door family is not the same as the SW storage-tank access doors, even though both may be described as six-gallon.
Compare listed doors and product photographs
Use these catalog links to compare the doors that match your MPN search. Photos represent existing listings; when an image is unavailable here, the link still opens the part-number listing.
SW 4 & 6 gallon — flush mount
SW 10, 12 & 16 gallon — flush mount
SW 4 & 6 gallon — radius corner
SAW6D / SAW6DE / SAW6DEL — direct-fit door family
Water heater diagrams for part identification
For the heater assembly, see the SW6DE parts diagram, SW10DE parts diagram and SAW6D diagram. There is also a water heater model index for other units.
For original part-number descriptions and model-family distinctions, see the Suburban water-heater catalog (manufacturer PDF). Exterior gas appliances must have unobstructed vents and be serviced according to the manufacturer's instructions.
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