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Old 05-23-2014, 01:42 PM   #1
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Black tank

Just purchased a 2014 flagstaff with a black tank flush on the outside. Did you need to put a pressure regulator on or can you hook up to city water pressure?
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Old 05-23-2014, 01:46 PM   #2
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Just purchased a 2014 flagstaff with a black tank flush on the outside. Did you need to put a pressure regulator on or can you hook up to city water pressure?
I guess you should, but I have never did it. I aways just hook it up direct for atleast 75 flushes and no problem yet....but I do use one on the the city water inlet all the time... I guess I should also add that is a direct line made out of the samething your hose is made out of.
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Old 05-23-2014, 01:54 PM   #3
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I do not use my water regulator when using my black tank flush.
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Old 05-23-2014, 02:01 PM   #4
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Most RV Parks are lower pressure than what the city supplies to your house (If you have one/or visiting someone). I've never seen a pressure reducer installed at any flush stations. I have never used one at the flush station.
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Old 05-23-2014, 02:21 PM   #5
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The black tank rinser is just a pipe with a spray at the end and doesn't really need to hold pressure so there's no need to put a pressure regulator on it. Less pressure would make it less useful anyway.
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Old 05-23-2014, 03:17 PM   #6
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Originally Posted by pappcam View Post
The black tank rinser is just a pipe with a spray at the end and doesn't really need to hold pressure so there's no need to put a pressure regulator on it. Less pressure would make it less useful anyway.
Totally agree. In this case more is better.
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Old 05-23-2014, 03:52 PM   #7
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While it's probably not a bad idea to put it behind the regulator, I like having full pressure to my black tank flush.
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Old 05-23-2014, 05:43 PM   #8
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I do not use my water regulator when using my black tank flush.
Same here.
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Old 05-23-2014, 06:13 PM   #9
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Me too. No pressure reducer when back flushing.
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Old 05-24-2014, 12:04 PM   #10
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I was told by our dealer to use the regulator when flushing out black tank. Not sure if it matters.
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Old 05-24-2014, 12:14 PM   #11
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Pressure reglator

I don't use one and I don't turn the water on full force. I can hear mine so I get some sort of hint. I worry that you could still cause damage if pressure was so great that the sprayer could not relieve it.
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Old 05-27-2014, 12:13 AM   #12
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Cat1956 I was told the same thing from my dealer. They said to protect the connections on the plumbing that whenever we are hooked to with the hose then use the regulator.
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Old 05-27-2014, 05:15 AM   #13
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I was told by our dealer to use the regulator when flushing out black tank. Not sure if it matters.
You should buy two if you do that. I would hate to use anything on the flush line and then put potable water through it... <ick>
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Old 06-27-2014, 06:54 PM   #14
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You still have the pressure but reduced volume when throttling the supply valve. On some models the black flush hose is up in the wall of the bath to a back flush preventer. If a hose lets go there it's no bueño.
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Old 06-28-2014, 08:16 AM   #15
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You should have a back flow preventer in that line. By the way you have a constant pressure. For someone to say it can come back up into your hose please let me know how? you hook the hose to the fitting and turn it on the tank valve is open how will you get back pressure? Just because the label say's black tank flush people are just Pernod.
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Old 09-03-2014, 09:15 AM   #16
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I have a 2012 Flagstaff with black tank flush connection, is this just a spray nozzle or is it like the tornado nozzle I have seen advertised. How effective is it?
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Old 09-03-2014, 12:29 PM   #17
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No pressure regulator required


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Old 09-03-2014, 12:59 PM   #18
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Originally Posted by jtjohnston1970 View Post
I have a 2012 Flagstaff with black tank flush connection, is this just a spray nozzle or is it like the tornado nozzle I have seen advertised. How effective is it?
Don't really know, but I have a clear extension and you would be surprised at the TP and solids that still will come out after 15 or so minutes using it. After I see clear water then all of sudden I see chunks coming out. I do it every time I'm hooked to a sewer and will run it atleast 30 min. before I head for home.........
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