Recommended Tankless Replacement For An Atwood GC6AA-10E RV Water Heater

Question

Question:

Hello, I’m looking at tankless options to replace my GC6AA-10E, the Furrion looks like a great unit. However, when I measure the GC6AA-10E it measures 16x12.5, which would leave quite a gap. Please advise?

asked by: Wes C

0

Expert Reply:

Hi Wes,

All newer water heater models are transitioning to smaller sizes as the technology gets better so you'll likely have a gap regardless of which unit you choose to go with. There's typically framing around the water heater so you'll just need to add in some 2" x 2" boards to fill in the gap and give the mounting flange of the new unit something to grab onto when mounting. I've attached a video below where Jake had to do this in order to install the # FR93FR.

These units come with 3 different door sizes to cover up the gap so you'll want to measure and see which door is the best fit for your RV:

16" x 16" # FR98SR
16" x 18" # FR48SR
18" x 18" # FR68SR

You'll also want some butyl tape # AL28FJ for the back side of the mounting flanges for both the unit and access door as well as some non-sag sealant # 344270341437-1 to go around the outer edge of the access door.

expert reply by: Kevin C

0

Chris

6/19/2024

Is there an issue with this working at high altitudes or in below freezing temps outside?

Reply

Kevin C.

6/20/2024

@Chris The Furrion Tankless Water Heater # FR93FR has been tested in altitudes up to 4,500ft. If you plan on prolonged use in high altitudes Furrion wants you to reach out to them to ensure it will work. Being in temperatures below 39 degrees for a prolonged period would require you to winterize the unit to avoid water freezing in the lines.

Reply

Chris

6/20/2024

@KevinC is there a tankless water heater that you would recommend at High altitudes? We regularly go to Utah where the elevation is 6500.

Reply

Kevin C.

6/21/2024

@Chris For every 1,000' above a 4000' elevation you'll lose about 4% of the unit's BTU rating. Furrion units # FR93FR have the offer up to a 60,000BTU rating, which is the highest out of what we offer. If you contact Furrion they can help you get the correct orifice to keep the gas to air ratio within tolerance.

Reply

Answer 1

The closest tankless water heater to the size of your current cutout is the Furrion RV Tankless Water Heater - Gas - Automatic Pilot - 60,000 BTU Item #FR93FR 12-5/8L x 12-13/16W x 19-3/16D but it requires an extra 1/8" in height and…

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Answer 2

We had a customer with your same Suburban SW6DE tell us that the Furrion tankless water heater part #FR93FR that you referenced fit well in place of the Suburban so it would fit and work great. You'd need to measure to determine what door would…

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Answer 3

The Dometic RV Water Heater - Gas - Automatic Pilot - 12 Volt - 8,800 Btu - 6 Gal Tank Item AT96121 is the direct replacement for the GC6AA-10E. Unfortunately it is out of stock with no expected restock date. Instead I recommend the Furrion RV…

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Answer 4

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Answer 7

The best replacement option we offer for a Atwood GC10A-4E Water Heater is tankless, the Furrion RV Tankless Water Heater part #FR68SR. It won't be a direct replacement but still pretty easy nonetheless as they are very similar. That said, you…

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Answer 11

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Recommended Tankless Replacement For An Atwood GC6AA-10E RV Water Heater

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