Forum Discussion

BFL13's avatar
BFL13
Explorer II
Aug 04, 2019

Atwood Water Heater Tank Crack Repair ? UPDATE

Update 11 Aug
-----------

Not sure yet, but it appears a friend might need a tank repair. Can you fix that with the usual suspect car body repair stuff--fibreglass and that Bondo goop or whatever?

She has water coming out on the floor from under the tank at the inside end ( where the hot and cold and by-pass hoses are attached--they are not leaking) and the outside where the drain plug is.

I can't think of any other hose connection or whatever that might leak between the ends of the tank underneath above the floor.

It is possible, but not known, that the tank might have frozen while full in the winter. Would that crack a tank?

It will be a few days before I can pull the whole thing out from her trailer and see where the leak is, but in the meantime, it would be useful to know whether if it is the tank, it can be a DIY fix.

Thanks
  • Old-Biscuit wrote:
    BFL13 wrote:
    I know Atwood has a different tank material from Suburban so it does not need an anode in the drain plug. Hers has that plastic plug for an Atwood. I don't have the model number, but it does have 120v and propane. Trailer is about 10 years old. More later if required. Be a few days.


    Atwood Aluminum'
    Suburban STEEL Tank...which has a glss-lining sprayed inside hence the andoe rod requirement

    Trailer 10 yrs old and is combo electric/gas

    If 6 gallon.....GC6A-10E Model
    If 10 gallon....GC10A-4E Model

    Replacement tanks available for each
    NEW complete water heater replacement available


    I have a line on a GC6A-7E from a 98 Southwind Class A. Would that fit in the hole in the side of the TT her GC6A-10E goes into? Lots of room inside the TT where the WH goes, so it is just the access in the side of the TT that matters AFAIK. Thanks.
  • Cut out openings

    6 gallon
    12 1/2"H X 16"W X 19 1/2"D

    10 gallon
    15 1/2"H X 16"W X 20 3/4"D


    6 for 6 and 10 for 10

    Her newer version can be replaced by the earlier version
    AC side needs 120V AC to on/off switch then to separate set of T-stat/ECO on backside of water heater tank then to element
    OEM ON/OFF is also back there

    DC side for propane....12VDC to On/Off switch then to thermal fuse to t-stat (then OEM wiring to control board to eco to gas valve)

    Atwood Water Heater Info
  • Old-Biscuit, thanks for your info on all this. Very helpful! :)
  • I removed a HWH that was froze solid! Looked like a beach ball!
    Had to pull it out thru the back of a bookcase! Would not fit thru the opening. If it was indeed frozen i bet it did more than just crack.
    Replace it!
  • Yes, I should know more in a few days. I watched the 46 minute youtube mentioned earlier, yipes! I am hoping for a swap out of the whole thing, but it still looks like quite a chore.
  • Turns out the one in the 98 Southwind is a G6A-8E 6.2 US Gal, and the busted one in the 08 TT is a G6A-8E 6.0 US Gal according to their stickers.

    Those are gas only. A "C" in the model number is for "combination gas and AC electric"

About Technical Issues

Having RV issues? Connect with others who have been in your shoes.24,191 PostsLatest Activity: Jan 19, 2025