Good Sam Club Open Roads Forum: General RVing Issues: Water freeze risk?
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 > Water freeze risk?

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mtnbbud

Oregon Willamette Valley

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Posted: 03/13/20 08:54am Link  |  Quote  |  Print  |  Notify Moderator

I am thinking of filling my water tank on my 1989 Terry Resort though I probably won't end up camping for a few weeks. I had winterized the trailer so all the lines are currently clear. The low temps in my area for the next four days are 32, 29, 29, then 36. Would I risk damage by freezing water, or would the likelihood of such a large volume of water freezing at that temperature be unlikely?

I figure at 32 degrees, I'd be fine if I was camping. I'm not sure though if the trailer isn't being used.

Fizz

Ottawa, Canada

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Posted: 03/13/20 09:01am Link  |  Quote  |  Print  |  Notify Moderator

Sorry but that isn't really "freezing" weather.
The dealer told me they don't worry unless the forecast calls for 10 bellow freezing for three days.
Your trailer hold enough heat to slow down the freezing.

Many will argue this so it comes down to your pucker factor.

ppine

Northern Nevada

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Posted: 03/13/20 09:15am Link  |  Quote  |  Print  |  Notify Moderator

Don't fill your tank until you are ready to use it.
A full water tank is a large mass which will not freeze until well below freezing for an extended period.

ksg5000

Oregon

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Posted: 03/13/20 09:28am Link  |  Quote  |  Print  |  Notify Moderator

You should not have a problem. Takes many hours of below freezing to create problems and most of those problems are associated with toilet valves which are fragile not the FW tank. I live in Portland and blow out my water lines during winter but usually maintain water in FW tank for emergency purposes ... never had a problem.


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mtnbbud

Oregon Willamette Valley

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Posted: 03/13/20 09:33am Link  |  Quote  |  Print  |  Notify Moderator

[email protected] Thst exactly what I am thinking. I just want to be sure. I also figure there won't be any water in the lines until I run the pump and I'd assume water freezing in the lines would be my biggest worry. I'd expect even if a little water freexes in the tank, it have to freeze fairly solid to damage the tank?

kellem

Shenandoah valley,VA

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Posted: 03/13/20 12:08pm Link  |  Quote  |  Print  |  Notify Moderator

Several years ago I forgot to dump the grey tank which was close to half full.
It remained that way well into the winter and much colder temps than you mentioned....froze but never busted.

I'm guessing half full left room for expansion.

Tyler0215

Iowa

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Posted: 03/13/20 02:46pm Link  |  Quote  |  Print  |  Notify Moderator

Why fill your water tank a few weeks before you leave? Fill before you go, no problem, no worry.

wa8yxm

Wherever I happen to park

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Posted: 03/13/20 04:20pm Link  |  Quote  |  Print  |  Notify Moderator

TO Some extent it depends on how well insulated the tanks are both Tank to outside and Tank to inside. On my Class A I have a 3-sensor remote Thermometer (4 total the the is "local" or room temp)
Sensor 1 is inside the fridge
Sensor 2 is attached to the propane tank.. out of the sun but well ventelated
Sensor 3 is on top of the fresh water tank.

In cold weather since as you describe 3 is 5-10 degrees above 2.. all night long.


Home is where I park it.
Kenwood TS-2000 housed in a 2005 Damon Intruder 377


am1958

SE Michigan

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Posted: 03/14/20 05:22am Link  |  Quote  |  Print  |  Notify Moderator

Tyler0215 wrote:

Why fill your water tank a few weeks before you leave? Fill before you go, no problem, no worry.


Pssst... Coronavirus... ;-)

BarabooBob

Baraboo, WI

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Posted: 03/14/20 07:24pm Link  |  Quote  |  Print  |  Notify Moderator

Depending on how the plumbing is run under your camper, you may risk freezing your water lines before you freeze the tanks. My TT is not a winter camper. The water lines run under the camper and would likely freeze way before the tanks. When camping in freezing weather, we drain all of the water from the fresh tank. We still use the black tank but flush the toilet with warm water from a jug instead of normal flushing. We have never had a problem with freezing the drain valves or the waste tank.


Bob & Dawn Married 32 years
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