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

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?

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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.

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Kevin C
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Featured Help Information

Instructions

Instructions for FR48SRInstructions for FR68SRInstructions for FR93FRInstructions for FR98SRInstructions for FR93FR

Miscellaneous Media

Furrion RV Tankless Water Heater Installation - 2019 Grand Design Momentum 5W Toy Hauler
Furrion RV Tankless Water Heater Installation - 2019 Grand Design Momentum 5W Toy Hauler - Video
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