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Old 02-12-2018, 10:07 PM   #13
24vctd
Junior Member
 
Join Date: Feb 2018
Posts: 19
We had a 15 rli when we were parked for any length of time I put a short hose on each of the pipes black and gray and hooked them both to a Y valve then to a line to the sewer dump. Both grey tanks dump through one valve,yep that’s how keystone does it,you just do them like this or one at a time.it should be one hookup and two valves,black and grey.its dumb.
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