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Old 11-14-2019, 01:11 PM   #15
BB_TX
Montana Master
 
Join Date: Oct 2006
Location: McKinney
Posts: 7,166
M.O.C. #6433
Quote:
Originally Posted by fredetteb View Post
Very good advice from everyone.

How do you get antifreeze into the black tank flush line? Since it's an isolated system, the normal winterization lines don't connect. Perhaps fill a hose and then use the air compressor to "blow" the antifreeze through?
I run antifreeze thru the outside shower until I see pink stuff from both the hot and cold lines. Then I connect the outside shower hose to the flush connection, open one of the shower faucets, and let antifreeze run thru the flush line until I feel it has passed all the way thru.
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2007 3075RL (recently sold, currently without)
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