Thread: Grey water pouring from underbelly when opening
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Old 11-05-2014, 11:31 AM   #6
mail2us
Montana Master
 
Join Date: Mar 2007
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Posts: 2,156
M.O.C. #6920
It was suggested to use a Thetford product Thetford Drain Valve Lubricant in a white plastic bottle at most CW's. IMHO I have not used this product. fyi to all.

http://www.campingworld.com/shopping...nt-20-oz-/4179
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