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Old 03-27-2015, 02:31 PM   #1
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Black tank flush

Just took my 2015 Eagle HT 28 RSTS out for our maiden voyage. 2 question if anyone can help. 1. Black tank flush spews more water out the hose than goes into tank. Anyone else experience this and have suggestions? 2. What is the spare key attached to the door of the water fill, black tank flush area? Thanks
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Old 03-27-2015, 03:20 PM   #2
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No clue on the key, does it fit the same locks? Try a hose gasket?
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Old 03-27-2015, 03:29 PM   #3
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The black tank flush issue could be a faulty check valve. There has been some discussion on here regarding that valve being of questionable quality and prone to failure. I can't imagine what that key would be for, sorry.

I conducted a brief search for "black tank flush valve" and came up with a few discussions about it.

Personally I have never had a problem with my BT flush. But my first attempt would be to remove the screen and stick my finger in the inlet and wiggle it to see if something is just stuck and isn't moving the way it's supposed to. Step to the side just in case.
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Old 03-27-2015, 06:02 PM   #4
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Mine "piddled" all over everywhere too till I put a new washer in it... factory one was junk
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Old 04-01-2015, 11:01 PM   #5
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With or without the washer it sprays all over. The only way to reduce this is to turn down the hose bib. But when you do that the black water tank sensors don't get clean and will show false reads.
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Old 04-02-2015, 09:13 PM   #6
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Is the male end of the hose out of round? I have a cheaper flimsy male end on a garden hose that will leak regardless of how tight or washered it is. Also check for debris behind the washer.
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Old 04-02-2015, 09:35 PM   #7
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The rig don't come with a washer. So the first time I thought it was because of that. Installed a washer and it still leaked.
I changed the hoses and it leaks, then I changed the washer and still leaks.
We camp a lot in the winter and I have flush the tank a number of times can't fix it.
It will be going to the dealer in June to fix a number of problems, I'll just add it the long list of things for them to fix.
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Old 04-02-2015, 10:39 PM   #8
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If you have several "squawks" the trip to the dealer is probably in order. Let them sort it out. Hopefully they are competent.
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Old 04-03-2015, 09:59 PM   #9
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Quote:
Originally Posted by DMRGMC View Post
Is the male end of the hose out of round? I have a cheaper flimsy male end on a garden hose that will leak regardless of how tight or washered it is. Also check for debris behind the washer.
I had this problem on my greyhawk. Certain hoses would work due to the roundness of the male end. Only hose that worked was my hose that worked was our water supply hose. One of good hoses from the dealer
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Old 04-04-2015, 09:35 AM   #10
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You need to have the black tank drain valve open when using the black tank flush, don't know if that will help or not, but worth a try.
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