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Old 05-28-2018, 06:27 PM   #1
HJ Cougar
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Black tank flush

Hello we just purchased a 2018 Cougar 32BHS. It has A Bath and a half and when it comes time to flush the black tanks I can only find One black tank flush. The one for the front tank. Where is the flush for the rear tank? I have two grey tank levers and two black tank levers. Any help would be appreciated.
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Old 05-29-2018, 03:50 AM   #2
Scott902
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any chance the rear tank is piped into the front?
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Old 05-29-2018, 05:29 AM   #3
HJ Cougar
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I don’t think so when I’m flushing the front nothing comes out the rear
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Old 05-29-2018, 05:59 AM   #4
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When you say flush do you mean run fresh water to clean them or are you talking about dumping the black tanks. if dumping maybe the one doing nothing may be plugged.

Sorry reread your post I see you are definitely flushing the black tanks. You would think they would have separate hookups for the hoses. Dealer should know.
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Old 05-29-2018, 06:08 AM   #5
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edit...ahh I missread, didnt realize you were looking for the rinse.
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Old 05-30-2018, 06:36 PM   #6
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Welcome to the forum from SE Texas.
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Old 05-30-2018, 07:11 PM   #7
HJ Cougar
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The dealer I purchased it from has no idea. It’s brand new so I would think it can’t be blocked or plugged
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Old 05-31-2018, 02:50 AM   #8
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We camp next to a fella in Florida with a Heartland of some sort with two black tanks, one for each commode. His has only one black tank flush, in the full bath......and he also is not all that happy with that situation.
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Old 05-12-2019, 03:09 PM   #9
Crhodes84
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Did you ever find the problem? We just bought a 32bhs and both of my blank tank flush check valves were installed backwards. I still haven’t found my back black tank flush valve...
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Old 05-12-2019, 04:42 PM   #10
HJ Cougar
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Black valves

Yea we finally found out one of our was installed backwards as well. The one for the rear bathroom but all is well now. Both black tank flush valves are in the hookup closet next to the right of the city water connection. Hope that helps if not ask anything else
Matt
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Old 05-12-2019, 04:45 PM   #11
HJ Cougar
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Black tank vavle

Also if you’re asking about the release valves there is one in the hookup closet and one by the rear tire next to the living room slide out.
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Old 05-12-2019, 05:44 PM   #12
Crhodes84
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Any idea where the rear check valve is? I know the front is located under the master bath sink.
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Old 05-12-2019, 06:48 PM   #13
HJ Cougar
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That I don’t know I was thinking back flow valves
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