Recommended Replacement Water Heater for Atwood GC6AA-10E
Updated 02/19/2026 | Published 02/01/2024
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Question:
I needing to replace GC6AA-10E water heater but cant find anything that is same size for my cut out
asked by: James Z
Expert Reply:
The best replacement water heater for your Atwood GC6AA-10E is the Dometic RV Water Heater # DMC74FR which needs a cutout of 12-3/4" tall x 12-3/4" wide x 19-7/8" deep to fit. Then you just need a door like the 12-3/4" # DMC58FR to complete the setup.
Since the Atwood water heaters have been discontinued there aren't very many exact replacements for them anymore, but this Dometic option is about as close as you're going to get.
Product Page this Question was Asked From
Dometic RV Water Heater - Gas/Electric - Automatic Pilot - 120V - 10,000 Btu - 6 Gallon Tank
- RV Water Heater
- Standard Water Heater
- Gas and Electric
- 10000 Btu or Less
- 120 Volts
- 6 Gallon Tank
- 12-3/4L x 12-3/4W x 19-7/8D Inch Cutout
- Doorless
- Dometic
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Monica
2/19/2026
Hello I purchased the recommended replacement and it’s too small. Am I supposed to build a frame around it ?