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Old 11-16-2013, 01:07 PM   #24
millennium
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City: St Augustine
Vessel Model: Mainship390
Join Date: May 2011
Posts: 89
My fairly new Sealand tank has two openings for waste out. One for the dockside pump out and another for the macerator. No valves needed.
I used sch40 pvc for all piping except the vent.
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