I have a couple that I would like to remove also. I may replace them with a
different transducer or thru-hull later. Would anyone make a blank thru-hull
fitting? Round solid with a backing nut? That would be easy and you could
pop it out and use the hole later. Do they make such a part?

On a related subject, say you have an old through hull that you don't
need anymore, 'ducer, water pick-up, etc.

What's the best way to fill it after removal? New through hull, just
in case you need one later, or repair the solid fiberglass?

Which would be toughest/longest lasting/cheapest?

Thanks

Donny
www.picturetrail.com/sixbennetts