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Old 05-29-2016, 07:10 PM   #1
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Black tank flush valve

Why does my flush valve seem stopped up or shut off? 2016 Sunseeker 3010DS
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Old 05-29-2016, 07:15 PM   #2
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Maybe black tank flush line are reversed at vacuum break valve.....see thread below.


Black Tank Flush
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Old 05-29-2016, 10:07 PM   #3
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I had issues with mine too, I'm thinking sawdust from construction got into it and clogged it.

Black tank flush issues - need input
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Old 05-30-2016, 07:38 AM   #4
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Okay let me be more specific. I didn't want to tell this part. I made a dumb rookie mistake. I mistakenly hooked up fresh water line to flush valve and walked away. When I realized what I had done black tank was full and seems like it even filled grey water tank. Now flush will not work. What have I done? How can I fix it?
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Old 05-30-2016, 07:49 AM   #5
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This is whats called a "Paul Harvey"! Full disclosure helps! Check your B&B made valve! Youroo!!
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Old 05-30-2016, 08:11 AM   #6
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What is a B&B made valve and where is it?
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Old 05-30-2016, 08:12 AM   #7
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And what am I checking for?
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Old 05-30-2016, 08:58 AM   #8
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I have the same problem of black tank flush valve seems stopped up. I made the mistake of hooking fresh water line to flush valve and walked away. When I realized what I had done the black tank was full and seemed like the grey tank had filled. How do I fix this so my flush valve will work and I can flush my black tank again?
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Old 05-30-2016, 09:21 AM   #9
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Quote:
Originally Posted by john mcneely View Post
What is a B&B made valve and where is it?
It's the black thing in the pic in post #5.
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Old 05-30-2016, 09:42 AM   #10
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Originally Posted by john mcneely View Post
I have the same problem of black tank flush valve seems stopped up. I made the mistake of hooking fresh water line to flush valve and walked away. When I realized what I had done the black tank was full and seemed like the grey tank had filled. How do I fix this so my flush valve will work and I can flush my black tank again?
I'm a little confused if your black tank filled when you hooked up to the tank flush system then the system is working. Its not a good idea to flush your tank without having the dump valve open. If your tank if full dump it
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