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IdahoBoy View Drop Down
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Joined: 24 Oct 2015
Location: Ketchum, Idaho
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Posts: 65 		Direct Link To This Post Topic: Emptying Fresh Water Tank
    Posted: 19 Sep 2016 at 9:57pm
Great discussion; thanks for all the good information. I'm taking the 172 to Glacier for a couple of weeks. The forecast is not too cold so I'm going to put water in it. I have had a few mid to low 20s nights in central Idaho and it nothing is frozen. I hope I'm not getting too cocky....
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StephenH View Drop Down
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Joined: 29 Nov 2015
Location: Wake Forest, NC
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Posts: 6326 		Direct Link To This Post Posted: 19 Sep 2016 at 9:32pm
However, there is a vent on the fresh water fill. That should allow air into the tank so that when the drain cap is removed, the tank will drain and not pull a partial vacuum and stop draining.
StephenH
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ouR escaPOD mods
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Joined: 29 Jul 2009
Location: MD
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Posts: 9062 		Direct Link To This Post Posted: 19 Sep 2016 at 9:00pm
Opening the sink valves will help drain the water via the low point drains, but it won't help drain the fresh water tank.  The water pump has a one-way valve.
Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ Pod instruction manual
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StephenH View Drop Down
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Joined: 29 Nov 2015
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Posts: 6326 		Direct Link To This Post Posted: 19 Sep 2016 at 8:25pm
Opening the taps allows air into the system, so it does help the water to drain faster. Think of it as inverting a large bottle with a very narrow neck. When some water drains, it reaches a point where some air has to bubble up through the neck in order for more water to drain. Opening a tap is like if there were a valve at the top of the bottle that was opened. Water would then gush out as the partial vacuum would be broken.
StephenH
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ouR escaPOD mods
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TheBum View Drop Down
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Joined: 26 Feb 2016
Location: Texas
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Posts: 1407 		Direct Link To This Post Posted: 19 Sep 2016 at 5:09pm
Does opening the taps help it drain faster? The only time I've drained ours, it seemed to take forever.
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hogone View Drop Down
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Posts: 1049 		Direct Link To This Post Posted: 17 Sep 2016 at 7:56am
not that this is important, but on my last trip i unscrewed the fw drain cap and nothing was coming out.  so i pondered!!  for a bit and realized that that insert (i guess it could be considered some kind of washer that is inside the cap) stayed in the hole.  pulled it out and wallah.  just thought i would pass this along.  GO PACK.  hogone
Jon & Pam
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Joined: 23 Feb 2012
Location: Kewadin, MI
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Posts: 3257 		Direct Link To This Post Posted: 16 Sep 2016 at 9:25pm
I am sure I was told about the low point drain on my 177 when I purchased it in 2011.  HOWEVER for the first 3 years I forgot about them; they never were opened or taken off.  Finally in year 4 of ownership (2014) I was working on wheel bearings when I saw the sticker and went to investigate where they were.  Funny thing was I couldn't find either of them because someone at the factory totally covered them over with foam.  I cut thru the big glob of foam and found both low point drains.  Am amazed that I never got a leak with our cold winters in Northern Michigan.  Maybe using compressed air to blow out the water lines helped with this issue.
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Leo B View Drop Down
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Joined: 13 Jan 2012
Location: Lyndonville, VT
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Posts: 4517 		Direct Link To This Post Posted: 16 Sep 2016 at 2:56pm
That's really interesting, can you post a picture?
Leo & Melissa Bachand
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NickLPod View Drop Down
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Joined: 10 Jul 2016
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Posts: 13 		Direct Link To This Post Posted: 16 Sep 2016 at 1:52pm
I got tired of getting sore (& dirty knees) undoing the black end cap to drain the FW tank.
So I added a brass 1/2 inch tap to the off-white threaded part.
I can now reach under the Pod to turn the handle 90 deg to drain .... & back when empty.
2016 R-Pod 180
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Leo B View Drop Down
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Joined: 13 Jan 2012
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Posts: 4517 		Direct Link To This Post Posted: 16 Sep 2016 at 1:51pm
Good tip!
Leo & Melissa Bachand
2017 Ford F150
2021 Vista Cruiser 19 csk
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