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Black Water Thru-Hull Location

5398 Views 48 Replies 14 Participants Last post by  eherlihy
My boat does not have a thru-hull for the black water output. I plan to drill a hole, and install the thru-hull and seacock. How far down relative to he waterline should the hole be drilled? Thanks in advance for the help.
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pressure is a good idea as long as the tank is rated for pressure other wise it could be messy
1 - 1 of 49 Posts
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