Next message: Ekcine: "T&T: Winterizing a boat"
I too had the problem of clearing out the antifreeze from my water tank in
the spring. So I quit putting it in my tank. Instead I put a tee between the
tank & the pump. This tee has a valve to select one or the other feed. For
regular use you set the valve to feed the tank to the pump & all is normal.
For winterizing, switch the tee to the other inlet and hook up a small hose
that you run into the bottom of a jug of antifreeze. Turn on the pump and
start opening spigots until you get pink water. Before doing this I
disconnected the feed into the hot water tank and ran it to the output hose
from the hot water tank creating a bypass of the hot water tank. This takes
the tank out of the system and I just drain the tank and didn't add
antifreeze. Don't forget to drain the water tank before winterizing the
system. A small amount of water in the bottom of a tank won't cause any harm
over the winter.
This system can be bought as a kit at west marine. Worked fine for me for 10
years. Flushing the water lines of the pink stuff in the spring was
significantly easier than flushing the whole tank.
Ed K
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