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Old 12-13-2012, 09:47 PM   #1
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Posts: 76
when to fill fresh water tank during winter trip

New to this cold stuff,ive lived in az most my life,the wife decided we needed to move to idaho so this was the 1st time i had to winterize,now we are heading south to the sand dunes in cali then to quartzsite,its been getting down in the 20s at night,we plan on spending the 1st night in utah,20s at night, high 30s during the day,should i fill the water tank before i leave,100 gals,i will be in the cold for 2days,then we will be in vegas with no worries,do i need to worry about the water frezzing and braking pipes,i have a 99 itasca and all the plumbing and tanks are enclosed,thanks

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Old 12-13-2012, 10:05 PM   #2
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Location: Las Vegas, NV
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I would suspect that with your year model coach most likely there's some heat from your furnace that's diverted to the holding tank area in your coach, but not sure.

If you have any water pipes visible in your storage bays or under the coach I would enclose them with that grey pipe insulaton you can get at Home Depot or Lowes. I did that with ours and it seems to work well.

If you don't have to, I wouldn't connect to shore water as water in your hose will likely freeze up in those 20 degree temps.

Perhaps others on the forum may have more and better advice.

Wishing you good luck and a safe journey. We'll be in Quartzsite Jan 23 thru the 30th.

Jim & SherrySeward

2000 Residency 3790 v10 w/tags 5 Star tune & Banks system Suzuki XL7 toad
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Old 12-14-2012, 11:01 AM   #3
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As long as the temperature gets above freezing during the day you should have no problems with everything enclosed.

A full water tank is better it this situation because of the bulk of the water will not only take longer to drop it's temperature to any extent, but will radiate it's warmth to the entire bay.

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Old 12-14-2012, 12:30 PM   #4
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I live in Calgary, north of Idaho and colder. I often drive south through Idaho to get south. I NEVER empty my water storage tank, and I have some fluid in my grey and black tanks as you can really empty them.

The problem with water in the hoses is when the are sealed or constricted and ice expands when it freezes. The tank always has room to expand, and I've never split the hoses between the tank and the water pump bypass valve. Since I run antifreeze through the pump, the valve, pump, and everything on the house side of the pump is fine.

So, when to add water? Before you pull out unless it is freaking cold and you can't get water to run. I take 4 or 5 three gallon jugs of water so I don't have to worry about running water until I get out of the worst cold weather.

Having said the above, I have an AquaHot so the engine heats the coach not just the dash, and that includes the wet bay, so it has to be REALLY cold before I worry about freezing pipes as I roll down the road.
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