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Author Topic:   Thru Hull Drain Tube Alternatives
scent of a mule posted 05-15-2015 11:26 AM ET (US)   Profile for scent of a mule   Send Email to scent of a mule  
Restoring a 1968 Whaler and will be getting the boat back from paint soon. I am going to install new thru hull tubes. Would this be a reasonable alternative to the brass tube that will need annealing and flanging (will need to buy the flanging tool). I read many stories of first timers having to redo after their first few tries.
http://www.jamestowndistributors.com/userportal/show_product.do?pid=629&familyName=Groco+Bronze+Thru-Hull+Fittings

Thanks

Jeff posted 05-15-2015 11:47 AM ET (US)     Profile for Jeff  Send Email to Jeff     
In most areas you would be installing the tru-hulls you could not be able to tighten that backing nut onto the fitting. It just simply will not work.

Trust me, very veterans do not always get the tube done right the first time.....every time.

Here is a very detailed how-to:
http://continuouswave.com/ubb/Forum3/HTML/020269.html

jimh posted 05-15-2015 11:56 AM ET (US)     Profile for jimh  Send Email to jimh     
Jeff's fine article on the method of replacement of through-hull fittings is also mentioned and hyperlinked in the FAQ article on hull drain replacement at

http://continuouswave.com/whaler/reference/FAQ/#Q12

Jefecinco posted 05-15-2015 07:18 PM ET (US)     Profile for Jefecinco  Send Email to Jefecinco     
I plan to attempt this repair on my Sport 13. I'm going to look into the possibility of using [Marelon™], some other type plastic, or PVC material.

Butch

jimh posted 05-16-2015 01:36 PM ET (US)     Profile for jimh  Send Email to jimh     
More on Marelon fittings at

http://www.forespar.com/what-is-marelon.shtml

Jefecinco posted 05-16-2015 06:20 PM ET (US)     Profile for Jefecinco  Send Email to Jefecinco     
On a previous boat maintained in a slip for several years I used Marelon through hull fittings and shut off valves on the supply and discharge lines for the MSD. This was from the late 1970s until I passed the boat on to a new owner in 1999, a bit over 20 years.

Without further research I don't know if it is a good material for a hull drain tube on a Sport 13.

Opinions?

Butch

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