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Old 06-06-2017, 11:00 PM   #1
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Split water hose in bathroom

So, has anyone else had this problem? Or am I just the only "lucky" one out there?

Sunday evening I was relaxing on the dinette after having cleaned up with a nice shower. Heard this loud boom/bang and then water gushing like crazy. What the *)#$#*$#$#

Discovered water gushing along the wall under the sink. Turned off the water at the outside faucet (and the electric water heater). Water inside stopped. Mopped up the walls and all that. Used the squeegee to get all the water down the floor drain.

Felt around the hoses. Neither of them had come off their connection point, however the hot water hose (next to the outside wall) had split near the top and on the wall side (therefore any photos would be pointless).

Fortunately my shower was over with. Fortunately it was at the tail end of my trip as I was heading home the next day. Fortunately I was IN the trailer when it happened. Fortunately I had multiple gallons of water with me in jugs for drinking and "just in case" situations. Like this!

I've contacted ETI and will be taking the trailer up there Thursday AM. I hope to get up there and back in the same day - we'll see. Reace says it'll be about a 4 hour repair job. He did mention they'll need to remove the storage cubby.

So, any ideas on how and why this happened? Can I expect this to happen again? Do I need to start turning off the water at the outside faucet (and the electric water heater) when I leave the trailer? I'd hate to think what I would have come back to otherwise as my grey water tank wasn't completely empty. And I'd been gone all day until about an hour before this happened.

I've not read the manuals (yet) regarding this issue so I don't know if there was a way to bypass the hot water so I could at least still have cold water for flushing the toilet and heating up to wash my hands. Does anyone know if there is a way to do this?

I thought about wrapping the hose with duct tape, but didn't know if it would be strong enough to withstand the water pressure. BTW, I had the water pressure regulator thingie hooked up to the outside faucet, so I doubt it was due to high pressure. I talked to a neighbor and he thought the pressure was rather low. He and another camper I talked to the next AM didn't have any water issues.

Yep, I'll be discussing this with Reace on Thursday and see if he has any idea why this happened.
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Old 06-06-2017, 11:41 PM   #2
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Laura,
Sounds like a freak deal, however, this illustrates why we have always shut the water off when leaving the campground. We've seen these happen at campgrounds and sometimes it is awhile before anyone notices the water flowing out your door and shuts off the water for you.
It is still possible that your pressure regulator just wasn't working and the CG pressure was too high and burst the line, but hard to tell and pex can take a lot of abuse. Or could be just a defective line with a weak spot.
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Old 06-06-2017, 11:44 PM   #3
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Maybe a bad piece of PEX, or one that got scored or was crimped improperly. I dunno. It's hard to mess up a PEX connection. Something was probably defective when installed.

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Old 06-07-2017, 01:32 AM   #4
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Quote:
Originally Posted by NW Cat Owner View Post
So, any ideas on how and why this happened?
Robert covered some possible causes. Reace should be able to tell when he sees it.

Quote:
Originally Posted by NW Cat Owner View Post
Can I expect this to happen again? Do I need to start turning off the water at the outside faucet (and the electric water heater) when I leave the trailer??
Not likely. Turning off the water at the faucet when away is probably a good idea for any RV, but I don't see any reason to turn it off at the water heater as well.

Quote:
Originally Posted by NW Cat Owner View Post
I've not read the manuals (yet) regarding this issue so I don't know if there was a way to bypass the hot water so I could at least still have cold water for flushing the toilet and heating up to wash my hands. Does anyone know if there is a way to do this??
Yes, and it's in the manual... although all the 2016 owner's manual says is 'Place the bypass valve in the 'by-pass' position", which might not help very much.

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I thought about wrapping the hose with duct tape, but didn't know if it would be strong enough to withstand the water pressure.
Tape would be unlikely to work.
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Old 06-07-2017, 04:59 AM   #5
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I believe this is the same thing that happened to tdftexas. His hot water line blew in the same spot. It's not PEX line in that area for the early 2017s. It changes from PEX under the bed to a clear braided rubber hose as it goes from the base of the bed to the sink.
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Old 06-07-2017, 06:04 AM   #6
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Originally Posted by H46Driver View Post
I believe this is the same thing that happened to tdftexas. His hot water line blew in the same spot. It's not PEX line in that area for the early 2017s. It changes from PEX under the bed to a clear braided rubber hose as it goes from the base of the bed to the sink.
You say for the early 2017s. Is it something different now?
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Old 06-07-2017, 06:32 AM   #7
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It appears you were on city water. Were you using a pressure regulator on the supply? If so, is it possible the regulator failed?
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Old 06-07-2017, 06:37 AM   #8
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Quote:
Originally Posted by H46Driver View Post
I believe this is the same thing that happened to tdftexas. His hot water line blew in the same spot. It's not PEX line in that area for the early 2017s. It changes from PEX under the bed to a clear braided rubber hose as it goes from the base of the bed to the sink.
I assume you're talking about the white lines entering the bathroom which appear to be PEX. Not sure what occurs at the turn going up to the sink. Hopefully those are also white PEX and not the clear lines.
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Old 06-07-2017, 07:10 AM   #9
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I also suggest you study the picture above and read all your manuals. Prepared with information is a great resource and can help in a lot of situations.
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Old 06-07-2017, 08:55 AM   #10
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Quote:
Originally Posted by H46Driver View Post
I believe this is the same thing that happened to tdftexas. His hot water line blew in the same spot. It's not PEX line in that area for the early 2017s. It changes from PEX under the bed to a clear braided rubber hose as it goes from the base of the bed to the sink.
Does anyone else find the "boom/bang" strange? A properly working pressure regulator should have protected from any surges in the campground water supply.

I wouldn't be surprised to hear this section of line is not PEX. If it was it would either need to be damaged or defective to split. For anyone interested, PEX has universal manufacturing tolerances and is rated as follows:
160 psi @ 74F
100 psi @ 180F
80 psi @ 200F

Although it does not apply in this case, as a point of reference the typical Shurflo water pumps used have their cut-out (off) set at 55 psi.

Assuming the 2017's are piped similar to earlier model trailers you should be able to bypass the hot water heater as Brian indicated. This should take any pressure off the hot water side of the system and allow you to continue to use your cold water. See picture.
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