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Old 11-19-2019, 03:11 PM   #1
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Location: Snohomish, Washington
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Fresh water tank - Leave empty?

New to RVing and Forums. I'm not sure how to post this thread to the appropriate forum. I have read through some of the new member info, but I must have missed the instruction on how to post to a specific forum.

We're living full time STATIONARY in our 2019 Alpine 3701 FL 5er which we purchased slightly used a couple months ago. We have City water hooked up. The rig came with some water in the fresh tank. I don't envision needing to use the fresh water tank at all. Freezing is unlikely as we don't get extremely low temps where we live, and there is a tank heater.

Question: Should I drain the tank and leave it empty (possibly for years), or fill it and leave it filled (possibly for years)? Or should I fill it and use the water from the tank occasionally, even if only from the outside shower?

Associated question: In order to keep the internal pump functional, should I occasionally use the pump, or is it ok to leave it unused for years?

Any assistance is appreciated. Thank you!

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Old 11-19-2019, 03:41 PM   #2
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Heres what Id do. Sanitize the tank, drain it, leave it that way. If you ever decide you want to use it, sanitize it, drain it, fill it, use it.

They are not that expensive, so after draining the tank, run it to assure all water out of it. Dont worry about it.

Tom Wilds
Blythewood SC
2016 Newmar Bay Star Sport 3004
2015 Jeep Wrangler 2DR 4WD Sahara, Automatic, Hard Top
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Old 11-19-2019, 04:23 PM   #3
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Congrats on the new rig! I agree with Tom's advice.

Good luck, happy trails, and God bless!
Joe & Annette

2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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Old 11-19-2019, 04:58 PM   #4
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Never say never. Mine is in a seasonal park. I'm there 4 months a year. My parks is on a well system. Every time I winterize I drain my tank. When I come back in June I fill the tank. If the park has an issue (and it has ) I have a very nice back up water supply. Come Oct I just drain during the winterizing procedure. I exercise the pump ounce in a while. Everything stays in working order.
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Old 11-19-2019, 05:03 PM   #5
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I agree with using it as an emergency back-up water supply. And Id want to use and replace the water on occasion. We use the freshwater tank in our MH when parked in storage as an emergency supply. We replace it every couple of months.
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Old 11-19-2019, 05:11 PM   #6
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I would fill it as well. I would also use my own pump so I can shut it off when I am not there. I would not go away and leave campground water pressure on in my rv. Lots of people do, but some people also come home to a flooded rv. I prefer to use my own pump, and shut it off. This way, I will never come back to a waterfall coming down my stairs. I also will not leave my waste valves open either. Overkill. Maybe. Safe. Yes.
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Old 11-19-2019, 08:44 PM   #7
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I like to have it for a backup supply. Every so often water systems have a hiccup and you might be without water for an hour or a day. I change my water, just drain it out, every couple of months.

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fresh water, tank, water

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