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Thread: Water Heater Leak

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  1. #1
    Join Date
    Jul 2009
    Location
    Aberdeen
    Posts
    23

    Default Water Heater Leak

    Hello All:

    I have a '06 Marathon XL coach. The water heater has developed a small leak. Looking at the water heater it appears that there are two Atwood heaters stacked one on the other. Would that be that there is a separate water heater for gas and one for electric? Or is it all one unit?

    I will need to have the heater replaced but before I find someone locally to do that I want to be "semi" informed.

    Thanks in advance.
    John Emmett NMHz
    Aberdeen, SD
    2006 Marathon

  2. #2
    Join Date
    May 2012
    Location
    Beverly Hills
    Posts
    3,971

    Default

    Those heaters are BOTH 120VAC powered. In the world of Marathon, one heats and then the other. Country Coach owners, yours both heat at the same time.

    That specific heater is no longer made. The new ones has all of the fittings on the front. There is a replacement that some have successfully used. It's one of the Kuuma models. With the dimensions of yours it should easy to figure out which one. Defender stocks most. https://www.defender.com/search.html...heater&x=0&y=0


    Gil and Durlene
    2003 H-3 Hoffman Conversion

  3. #3
    Join Date
    Jul 2020
    Location
    Simi Valley
    Posts
    262

    Default

    What did you end up doing about this? Did you replace the 2 water heaters?
    Mike Giboney
    My First Prevost
    1992 Prevost Country Coach #60187

  4. #4
    Join Date
    May 2020
    Location
    AUGUSTA
    Posts
    83

    Default

    The Kuumas are great water heaters, I've put a few in.
    --
    Chip Lamb
    Augusta, GA USA
    1997 Prevost XL40 Liberty
    1987 BB WL35SB
    706-339-3429 / chip@collectorsco.com
    Appraiser/Broker/Dealer/Inspector/REALTOR(R)

  5. #5
    Join Date
    May 2018
    Location
    Edmond
    Posts
    217

    Default

    Gil,

    Question for you on how my system works, I have a 1998 Featherlight with a Aquahot system. When I purchased the coach the Aquahot would not work so I turned on the breaker that says hot water heater..this worked but I had limited hot water. For the last year the Aqua Hot has worked perfectly and I have left the hot water breaker turned off. When using my Aquahot I can take a long shower with very hot water and after 10 or so minutes it stays very warm forever..

    I would love to understand a bit more on how my system works.

    Thanks
    David Thomas
    1998 Featherlight XL
    David Thomas
    1998 XL Featherlight

  6. #6
    Join Date
    May 2020
    Location
    AUGUSTA
    Posts
    83

    Default

    The breaker is for the electric element which Aqua Hot tells you is for momentary hot water. For "endless" hot water you need to have the diesel boiler operating. Basically you have a Webasto that heats a large water tank within the AH (big copper coil wrapped around the tank). That's as basic as it gets! Keep the filter changed and use it frequently or you'll need a new nozzle every so often within the Webasto head.
    --
    Chip Lamb
    Augusta, GA USA
    1997 Prevost XL40 Liberty
    1987 BB WL35SB
    706-339-3429 / chip@collectorsco.com
    Appraiser/Broker/Dealer/Inspector/REALTOR(R)

  7. #7
    Join Date
    Feb 2015
    Location
    Cloudland
    Posts
    68

    Default

    My CC had the 2 water heaters and it's my understanding that it was for faster recovery since one larger heater has the same element as the smaller (10 gal. vs 20 gal.) so recovery time for the 2 smaller heaters was twice as fast as the one larger one. One of mine sprung a leak and I replaced the two with one 10 gal. heater and haven't known the difference. I think that the two heaters was overkill.
    John and Judy Carroll
    1999 XLV Country Coach
    450 GC "Grande Center"
    2001 Jeep XJ, American Racing Mags

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