Join Date: Jan 2007
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Although it's a different brand, I just installed an inexpensive uniden thru-hull, in an existing location, by cutting out the 30 year old plastic (plug type) thru-hull. Very easy to cut out old one, clean up areas with sander, dry fit, and finally install the new one. I doubt if the old thru hull will accept the new one, from a different vendor, but cutting it out, and installing a new one was easy.
I tried a shoot through one last year, but got intermittent errors, despite being a solid glass hull. Since the old hole was already there, I decided to use it.