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Old 06-18-2014, 05:34 PM   #1
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Lacrosse 301 RLS Black tank cleaner

I own a 2011 Lacrosse 301 RLS, and a friend just informed me that he thinks I have a built in black tank cleaner. On the hook up panel underneath the satellite and cable hooks ups there is a hook for a water hose. The fresh water tank and city water hooks are labeled and to the left of these hook ups. Is this water line hook an actual black tank cleaner??

Thanks in advance for any help!!!

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Old 06-18-2014, 06:58 PM   #2
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First off welcome to the forum!!

The lower right hose connection is your black tank flush . The black hose is hooked to your fresh water supply. I recommend you get a rv fresh water approved hose for that and a water pressure regulator . You may even want to invest in a water filter unless you have that on-board.

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Old 06-18-2014, 07:33 PM   #3
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Your black tank is the one NOT marked with a label......should be that one lowest right
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Old 06-18-2014, 08:09 PM   #4
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I had the same Lacrosse and the lower right inlet is a black tank cleaner. Use a non drinking water hose on this inlet and turn it on after you have drained the black water tank. Let it run while the black tank valve is open. You can also close the valve for a short time to allow the tank to build water but watch out not to over fill it.
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Old 06-18-2014, 08:54 PM   #5
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Thanks Guys I really appreciate the help

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