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      The future of the JD Forum   07/31/18

      Thank you all for your participation on the JD Forums.  We have enjoyed answering your questions, providing project advice and technical assistance on this forum for a number of years. We believe that there are now better ways to provide this service for our customers and the community. With that in mind, we have made the difficult decision to discontinue the Jamestown Distributors Forum.   Our JD Tech Team is committed to being your trusted technical resource, and we encourage you to reach out via email, phone, social, product reviews, and to post questions using the Q & A 'Ask A Question' function on all product pages. Additional information can also be found on product page Technical Data Sheets (including detailed usage instructions and application data).   Thank You Jamestown Distributors 
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HALFASTERN

WATER SYSTEM

3 posts in this topic

We have a Minus 50 water system antifreeze that is used.  You would empty your tanks, don't forget to empty the hot water heater if you have one.  put in a couple of gallons in the water tank, and open a faucet at each sink or area and run until you get pure antifreeze.  There will still be water in the line that will come out first.  It may require more than a couple gallons if you have a water heater until you get antifreeze out the hot water lines.

 

Camco Winter Ban -50 Antifreeze for Potable Water Systems

 

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On my boat I always use a compressor and blow out the water heater using about 40psi.  This also clears most of the water from the lines.  I built and installed a manifold using 3-way valves to bypass the water heater, and after blowing it empty, I set the valves to the bypass position.  By doing this, it only takes me about a gallon or so of antifreeze to do the entire system.  My system, by the way is comprised of an ice maker, three sinks with both hot and cold water, a shower with both hot and cold, and two additional sinks in the wet bar and cockpit that are cold water only.  I also run the water tank empty prior to winterizing the system.

Bob

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