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Old 03-18-2012, 05:03 PM   #1
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Black tank flush. F320

Hooked up to the black water flush on the new f320-rs for the first time. I don't hear any water running or draining. I don't see any valve to turn on for the black water flush. Hose is tight and full of pressure. Any advice. My old TT didn't have a black water flush
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Old 03-19-2012, 04:59 AM   #2
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Originally Posted by rugmanrn View Post
Hooked up to the black water flush on the new f320-rs for the first time. I don't hear any water running or draining. I don't see any valve to turn on for the black water flush. Hose is tight and full of pressure. Any advice. My old TT didn't have a black water flush
Sometimes I have to turn the water on and then back off then on again sometimes to get the flow through the black tank flush. There is not a valve to turn just a hose connection. There is a check valve that may be stuck. Try turning the water on then off and on again. Works for me.
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Old 04-01-2012, 06:16 PM   #3
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Originally Posted by rugmanrn View Post
Hooked up to the black water flush on the new f320-rs for the first time. I don't hear any water running or draining. I don't see any valve to turn on for the black water flush. Hose is tight and full of pressure. Any advice. My old TT didn't have a black water flush
Did you ever get the black tank flush to work? We are having the same
problem. Tried turning water on and off as recommended, still not working.
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Old 04-01-2012, 06:42 PM   #4
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Trudy
Yes I switched the two water lines in the storage area. I have the pictures if you need I can text or email you. It's under warranty but I bought a 30 dollar wrench to fix instead of coir hundred bucked in diesel to dealer
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Old 04-01-2012, 07:15 PM   #5
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Yes could you email pics. We have tried everything aside from ripping the floor out. ( not really, just getting frustrated) Can't figure out what's wrong.
Would greatly appreciate it if you could.
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Old 04-01-2012, 09:12 PM   #6
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Like ret2006 said the check valve may be stuck. Or it may have been installed backwards.
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Old 04-01-2012, 09:17 PM   #7
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We didn't have any problems. Dumped the first time at the dealer. DH says it is quieter than TT was. there is not a agitator in the 320RS it just sprays. He says it is very quiet.
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Old 04-02-2012, 06:43 AM   #8
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Mine works like a champ after switching the two water lines that go up and behind shower to check valve
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Old 04-02-2012, 09:31 PM   #9
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Originally Posted by rugmanrn
Trudy
Yes I switched the two water lines in the storage area. I have the pictures if you need I can text or email you. It's under warranty but I bought a 30 dollar wrench to fix instead of coir hundred bucked in diesel to dealer
I am having the same problem with the black flush valves. Could you send me pictures at cuttinchief@gmail.com.thanks
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Old 04-03-2012, 08:00 AM   #10
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Trudy and cuttinchief. Just emailed pics and explain action. Let me know if you have any questions
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Old 04-03-2012, 09:24 PM   #11
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Quote:
Originally Posted by rugmanrn
Hooked up to the black water flush on the new f320-rs for the first time. I don't hear any water running or draining. I don't see any valve to turn on for the black water flush. Hose is tight and full of pressure. Any advice. My old TT didn't have a black water flush
Thanks for the pictures it will be an easy fix.
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Old 04-03-2012, 09:27 PM   #12
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post the pics on here while your at it !


By the way when I hook up my bw flush I cannot hear mine either BUT water runs out the bw drain so I know its working !
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Old 04-03-2012, 09:29 PM   #13
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Trudy and cuttinchief. Just emailed pics and explain action. Let me know if you have any questions
Got the pictures thanks
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Old 04-04-2012, 07:05 AM   #14
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Before the fix you could not hear any water flowing out of drain. You can now .
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Old 04-04-2012, 07:11 AM   #15
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Just uploaded the water line pic under my profile pics. Can't believe what a common problem!
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Old 07-21-2014, 04:57 PM   #16
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i just bought a 2012 palomino columbus what lines did you switch my blackwater flush isnt working,,,, pressure to hose thats it
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