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Old 05-16-2013, 04:43 AM   #4
oldelmer1
Montana Master
 
Join Date: Sep 2010
Location: North East
Posts: 1,050
M.O.C. #10758
Dick,
I ended up putting a screw in the top of the added valve going down into the waste pipe to keep it from twisting off when I took the cap off.
I drilled a hole, then used a screw just long enough that it barely protruded out the waste pipe.
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