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Old 03-20-2013, 04:08 PM   #1
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Join Date: Dec 2012
Location: Strongsville, Ohio
Posts: 4
2010 Sierra 355QBQ Specific Question

Hello All,

I have searched the archives for the answer to this question to no avail.

On my 2010 Sierra 355QBQ, where is the Fresh Water Tank drain located?
I have looked under it for a white shut off valve that some of my other trailers have had. This season will be the first with this 5th for us and it has been gnawing at me because I can't locate it.

I have read all the posts pertaining to Fresh Water tanks and read the locations of other models, I even checked those out. Still can't find the drain location.

Any suggestions? Thanks in advance!

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Old 03-20-2013, 07:09 PM   #2
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Send a PM to GolfMedick (I think that's his ID). Im pretty sure he used to have one.

2018 Ram 3500 DRW/crew cab/long bed/4x4/4.10 gears pulling a 2017 Spartan 1245 by Prime Time
Checkout my site for RVing tips, tricks, and info | My family and I have fulltimed since June 2015
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Old 03-20-2013, 07:44 PM   #3
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Location: Auburn, GA
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Look underneath the camper in line with the basement doors, there will be two lines white water lines hanging down. The one that is not capped is the overflow drain, and the one that is capped holds fresh water in. Take that cap off and the fresh water will drain out. Just make sure to replace it.
2012 Sandpiper 365SAQ weighing @ 15k, Onan, 2nd air, slide toppers, TST
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