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Old 04-03-2016, 07:46 AM   #1
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Did I just burst my water lines?

I've had to be out of town unexpectedly and may have blundered big time. Coach has been de-winterized and stored in an
un-heated fully enclosed un-insulated barn. Outside Temps have gone down to 29-32 for 4 or 5 hours over night here in Indiana.
Disaster or no?

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Old 04-03-2016, 07:49 AM   #2
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Naaa, not cold enough for damaging ice. We hope !

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Old 04-03-2016, 07:52 AM   #3
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Only one way to find out pressure it up.
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Old 04-03-2016, 07:57 AM   #4
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I think your fine. The fact that your in a enclosed
area helps a lot. Air movement helps things freeze.
Barry & Martha
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Old 04-03-2016, 08:07 AM   #5
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You should be fine. It would have to be colder for longer to freeze solid.
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Old 04-03-2016, 08:17 AM   #6
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I normally don't worry about it unless the temps will be below 25 for an extended period. As other have said, it has to stay much below freezing for several hours to freeze the water lines.
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Old 04-03-2016, 08:34 AM   #7
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Agree with the above re taking time to freeze, but if it was 33-35 degrees for several hours and then dropped further, the plumbing may have chilled through enough for freezing to take place in a shorter time. Generally, though, the water in the lines stays above the outside temperature for several hours or more.

In any case, the only thing to do now is to try it. It's either fine or something broke and you will soon know which.
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Old 04-03-2016, 08:48 AM   #8
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You're probably just fine. Put water in the fresh tank and turn on the pump. If it doesn't cycle the pump then no problems on the input side. A quick check on city water will test the little bit of plumbing left. For the drains checking under the coach while running water in the sinks and shower should do the trick. Check the toilet valve early. Mine seems to be the most likely to freeze and crack. Also the solenoid valve for a ice maker is subject to cracking in a freeze.
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Old 04-03-2016, 10:31 AM   #9
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Worse thing is a frozen water heater tank...lets hope it didn't get cold enough for long enough to do that!
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Old 04-03-2016, 10:49 AM   #10
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The PEX tubing your coach is plumbed with is very resistant to freeze problems. The one point I would really check out is the backflow preventer for your toilet flush. It is made out of rather brittle plastic and has a tendency to fail. It should be mounted in the cabinet under your bathroom sink.

You will never know you have a problem until you flush the black tank so you should add that to your list of things to check. BTW, Tiffin has a new model that is much more break resistant if you need to replace it.
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Old 04-03-2016, 11:38 AM   #11
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Appreciate all the comments... Will check things out tomorrow when I'm back in town!
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Old 04-03-2016, 01:50 PM   #12
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If you think you may have frozen lines, pressurize your water system with compressed air and then check for leaks. Its a lot easier to hear escaping air than cleaning up from water flowing throughout the coach.
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Old 04-03-2016, 02:01 PM   #13
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29-32 is not cold enough to freeze in that length of time. You're gonna be OK.
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Old 04-03-2016, 08:54 PM   #14
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Add in another here that thinks you'll be okay.

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