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Re: raw water puzzle
This 'octopus' drains well 'above' the water line, does it?
If not, those nylon through-hulls are a BAD idea, as nylon 'hydrolyses' (weakens) in constant contact with water and exposure to UV.
The small clear (well degraded) plastic line from the siphon break (?), is probably a 'pisser' - it discharges into the small plastic hose and then overboard; in this case most probably the vent valve in the siphon break has been removed - stupid!.
If this 'octopus' is very close to the water line, its a good way to sink a boat. If so rip it out, install a 'sea chest' (common discharge manifold with proper single bronze sea-cocked through hull).
This boat hasn't passed a rigorous insurance survey in a very long time; since the mid 1970s ... correct?
Last edited by RichH; 05-06-2015 at 10:22 AM.