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Replacing Groco SV-1500 Seacock
Hi, I have a thruhull that had a Groco SV-1500 seacock in it. It was original on my 1981 C&C. The wood backing plate started to rot and the valve was leaking a bit when you tried to open or close it, so I pulled it out. I'd like to replace it. I was thinking of going with the newer Groco seacock system with a flanged adapter and inline ball valve.
As a novice I am a bit nervous about having to go from two bolt holes in my hull to 3 and having to drill new ones. Can anyone recommend the best way to make those holes and what is the best material to use as a backing plate so I don't have to deal with rotting wood again?
Any insight would help me a lot!
SweePea, 1981 C&C 25 MKII
Willsboro Bay, NY