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Old 02-02-2021, 12:30 PM   #1
Keystone Kop
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leaking tank under 2012 cougar S652

I had some friends staying in my RV outside my house. They mentioned a leak from underneath the unit. I pulled off the plastic cover thing underneath and saw that it was leaking from the sink tank I guess, not the toilet side. Im planning to replace it. I have no idea we're to get a new/used one or what to do with it. I have the owner's manual, not very great, yet I don't have another manual to look at any suggestions, thoughts, ideas?
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Old 02-02-2021, 02:21 PM   #2
wiredgeorge
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You might consider repairing the tank. You will find a replacement expensive and only available from a place like recpro.com: https://www.recpro.com/rv-water-tanks/
Recpro.com is reputed to have very high shipping costs so know what shipping will be if going this route.

A quality repair epoxy compound will also work (there are many):
https://easyabsrepair.com/abs-plasti...irs/rv-repair/
https://www.loveyourrv.com/repairing...h-plasti-mend/
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Old 02-02-2021, 03:37 PM   #3
Keystone Kop
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Thank Wiredgeorge

I'll give that a go. Appreciated.
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Old 02-02-2021, 05:00 PM   #4
bobbecky
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Repaired our grey tank five years ago as it had a crack on the bottom, easy to get to. Used a kit from Plasti-mend: http://plasti-mend.com/cart/index.ph...&product_id=96

These are photos of the repair. First photo shows the inverted V molded in the bottom of the tank and the crack is at the top of the V.
Second photo shows the repair made with the Plasti-mend.
Third photo shows the added braces with blocking between the bottom of the tanks and the braces. Braces were then removed, coroplast re-installed, and then the braces were re-installed. Tanks don't sag now and no more leaks.
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Old 02-04-2021, 02:20 PM   #5
Keystone Kop
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Your work looks great, but I have an injured arm ��. Not sure that's going to work. It's parked on gravel and I can barely get the plastic protective cover down enough to see the leak ��. Sounds like I may have to call a guy.
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