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Thread: Water Heater Leak

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  1. #1
    Join Date
    May 2020
    Location
    AUGUSTA
    Posts
    85

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    The Kuumas are great water heaters, I've put a few in.

  2. #2
    Join Date
    May 2018
    Location
    Edmond
    Posts
    280

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    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

  3. #3
    Join Date
    May 2020
    Location
    AUGUSTA
    Posts
    85

    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.

  4. #4
    Join Date
    Feb 2015
    Location
    Cloudland
    Posts
    68

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    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

  5. #5
    Join Date
    May 2012
    Location
    Beverly Hills
    Posts
    4,652

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    David, if you have the power keeping the AquaHot in electric and diesel mode is great option. Your neighbors may like you more too. With both electric and diesel on may reduce diesel burn time when electrically produced hot water is enough. The shortcoming with the older AquaHot was the limited wattage of the electric heat and small size of the hot water reservoir.


    Gil and Durlene
    2003 H-3 Hoffman Conversion

  6. #6
    Join Date
    Jul 2020
    Location
    Simi Valley
    Posts
    965

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    I too had a small water leak, not too big, i was hoping all the tubing and seal replacement i did would fix this, but there was still some moisture, just the feet that attach the water heaters to the floor were always damp. Today's task was figuring out the water heater system since I was unable to get any hot water, I figured out both elements were bad. One was dead, the second was pulling down my 110 to 90 volts no matter what i did. I pulled out the elements and discovered the gasket that goes between the heater and the tank was leaking. 2 new heater elements, 30 bucks each will be here Tuesday, I will post pictures tomorrow, I had to cut the front panel to get the elements out. There was no way I was removing these from the Bus and disturbing the coolant system at this point. I know they don't make these heaters anymore, I have two of the Atwood EHP-10, the heater element is Atwood #91580.
    Mike Giboney
    1992 Prevost Country Coach
    #60187

  7. #7
    Join Date
    Jul 2020
    Location
    Simi Valley
    Posts
    965

    Default

    2 new Heater Elements will be here tomorrow, I used a dremel tool with cutoff wheel to cut the front panel. Once I have no more issues I will make a cover for the open area. I am interested to see the new gasket, There was no sign of a gasket when I removed these, just a very thin layer of black material. The bracket sitting in front of the water heater clamps the element in place and holds the tank centered in the sheet metal housing. Fans are drying out the fiberglass insulation.




    Attached Images Attached Images
    Mike Giboney
    1992 Prevost Country Coach
    #60187

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