Good Sam Club Open Roads Forum: Toy Haulers: Fresh Water Tank
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 > Fresh Water Tank

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campingis4us

Nevada

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Posted: 09/07/20 08:06pm Link  |  Quote  |  Print  |  Notify Moderator

Hello- I had a mishap this weekend filling my freshwater tank. I turned it in and forgot about it while I was loading it up. I heard a loud boom, at first I thought my propane tank or something blew up, and then water just started pouring out from underneath. I am guessing I blew the tank out, but not sure? I would think there would be safety features in place to stop this from happening?? I can’t get it into the dealer for 3 weeks. Just curious what everyone’s thoughts are on this.

jdc1

Rescue, Ca

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Posted: 09/07/20 08:14pm Link  |  Quote  |  Print  |  Notify Moderator

There's an overflow on the tanks. You must of had your hose bib (faucet) on full blast. Big no-no. You could take it to a radiator shop and see if he can patch you up (plastic welder).

Old-Biscuit

Verde Valley

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Posted: 09/07/20 09:06pm Link  |  Quote  |  Print  |  Notify Moderator

Typically fresh water tank has a small vent line (3/8" ?) and an open overflow (1/2") bur sounds like input water flow was more then overflow could handle

Plastic welding.....NOT into a Dealer


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Y-Guy

Tri-Cities, WA

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Posted: 09/08/20 07:31am Link  |  Quote  |  Print  |  Notify Moderator

Try to inspect, you should have had a overflow. These are generally near the top of the tank if it was kinked it could be a manufacturing fault if you are under warranty.

Where is the break at, how big is it? You may also contact a mobile RV tech to come check it out too.

Here are some recent topics addressing plastic welding that might help, click here

And some from the archives, click here


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smarty

new mexico

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Posted: 09/08/20 08:17am Link  |  Quote  |  Print  |  Notify Moderator

did you have a water pressure regulator on the hose that you were filling your fresh water tank with? If not do you believe the water pressure was 20-30 lbs above 40 lbs?

nayther

Burbank, CA

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Posted: 09/08/20 03:56pm Link  |  Quote  |  Print  |  Notify Moderator

probably split a seam. I did it once when filling, had the trailer tilted away from filler/vent and it trapped some air, air compresses, water doesn't. Split the upper seam about 10" long. I repaired it with an ABS repair kit. If the tank is black, it's ABS and can be fixed that way, if it's white it's got to be "welded" as suggested.


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dedmiston

The West

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Posted: 09/09/20 01:37pm Link  |  Quote  |  Print  |  Notify Moderator

Can you slowly add water now and see if it leaks and where it leaks from?


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Dirtclods

Newport Beach

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Posted: 09/09/20 03:23pm Link  |  Quote  |  Print  |  Notify Moderator

dedmiston wrote:

Can you slowly add water now and see if it leaks and where it leaks from?


2nd that!

Ummm guessing I blew the tank? Have you looked for any damage yet.


I always keep an eye on my overflow while filling. I sure you could use a Flow~Meter Water Timer of sorts.

carringb

Corvallis, OR

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Posted: 09/09/20 03:24pm Link  |  Quote  |  Print  |  Notify Moderator

Little pop = blown off hose or fitting. Loud boom = split tank OR the tank ballooned enough to pull out the hanger straps, and it crashed into the underbelly which can pull it away from both the fill and and vent hoses.

Anyways... this isn't a defect. Water tanks are supposed to be gravity-fill only, and can be pressurized if you jam the hose in and don't shut it off as soon as its full.


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crazybanshee

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Posted: 09/09/20 08:32pm Link  |  Quote  |  Print  |  Notify Moderator

Has anyone tried and used flex seal tape on a water tank?


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