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  Topic Review (Newest First)
01-14-2012 01:39 PM
HPLou As long as they are working and aren't leaking, there is no need to replace them.
01-14-2012 10:34 AM
travlin-easy When I had a 27 Catalina my depth finder, which was integrated with my Lowrance GPS Plotter, shot directly through the fiberglass hull. No drilling holes and the sensitivity of the depth finder was outstanding. Of course, the GPS provided me with the SOG information with incredible accuracy.


01-14-2012 10:13 AM
Originally Posted by Ajay73 View Post
My through hulls for the two gauges are the plastic (nylon, marelon maybe?) type... What do most of you have on your boats?
I'd guess that the vast majority of smaller boats have the various plastic instrument through hulls. For typical local/coastal sailing as long as everything is properly installed I don't think they are an issue.
01-14-2012 05:37 AM
celenoglu If you can find a perfect bronze thruhull, it is a good idea to replace it. I have seen more than one broken plastic thruhulls.
01-14-2012 04:11 AM
Depth and Knots Gauge Through Hulls

My through hulls for the two gauges are the plastic (nylon, marelon maybe?) type. Generally are these an acceptable through hull for these instruments or should I change these to the bronze type through hulls. What do most of you have on your boats? My boat is a Catalina 27, 1980.

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