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Old 08-17-2019, 07:35 AM   #2
Pete Meisinger
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City: Oconto, WI
Vessel Name: Best Alternative
Vessel Model: 36 Albin Aft Cabin
Join Date: Oct 2012
Posts: 3,145
I have a check valve on the output line of my water heater. Hot is hot, cold is cold, never the twain to meet.

I have a 5 gallon water heater, very inexpensive. It was the source of stinky water. I just replaced it. Pretty easy and cheap. just for fun I cut the old one apart. It was about one third full of a stinky calcium looking grainy residue. No way flushing would have gotten it out.

I have thought of having an engine heat loop in the system but those tanks are expensive. I like the "throw away" 110 volt kind.

pete
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