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Old 04-25-2009, 02:11 AM   #2
GhostKnife
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Join Date: Sep 2008
Location: columbus, ohio
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GhostKnife has a dedicated fish roomGhostKnife has a dedicated fish roomGhostKnife has a dedicated fish roomGhostKnife has a dedicated fish room
I would consider if putting your UV in the return line, putting three true union ball valves. One to block/determine flow to your UV the other two on either of the downsides which completely block the flow to your UV.
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