We have a 37.5 Hunter and over the years the sink has gotten progressively slower to drain. We would like to redo the hoses but are having a very difficult time finding a source. If anyone has any experience in this area we would certainly appreciate your input!
Redo sink plumbing on Hunter 37.5
- Thread starter UllerHC
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Can you provide a better picture(s) of the layout and maybe a description of it?
My only response at present is to get rid of the PVC at the seacock.
What does the gray PVC tee connect to?
My only response at present is to get rid of the PVC at the seacock.
What does the gray PVC tee connect to?
Thanks, I don't have access to the boat right now. My real question is what routing is required due to it's connection to the seacock below water level. I am assuming i can't just run it straight from the sink to the seacock, but what works best to keep any backflow out of the picture? Thanks.
Hi Uller, I'm wondering if you found a solution to this? I believe my seacock is completely blocked as my sink doesn't drain at all. I'm curious if there is a filter on this, or if I can simply run a household plumbing "snake'' through it. The seacock on my Hunter is a large brass valve, and I can only turn the handle about 90 degree rotation...is that normal?
You can re-plumb this with 1.5" hose. Use a bronze hose fitting at the seacock, and tie the two sink drains together with a T or Y fitting. And there's absolutely no reason that I can think of to use a P trap on a marine sink. That's a residential plumbing feature to keep sewer gas from backflowing into a dwelling - there's no purpose for it on a boat unless you're prone to dropping lots of diamond rings down the sink and need to capture them.
What type of valve is it? Only being able to rotate a gate valve handle 90 degrees = problem. Only being able to rotate a ball valve handle 90 degrees = no problem (they're designed that way.) Clue - if it's a gate valve, the handle will probably look like a faucet handle like you have on a hose bib on the outside of your house. If it's a ball valve it will be a lever.
That's a gate valve. You totally need to get rid of that thing. It's most likely siezed up internally. If your line seems "blocked," it probably means the valve is seized in the shut position. If it were working properly, you should be able to turn that handle at least two or three revolutions. You need to replace it with a proper ball valve type seacock.
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