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Absolutely correct. Without the check valve the hot water seeps back into the cold water line.
I know from experience.:hothead
I know from experience.:hothead
Posts by nauticalrich
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Joined
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198 Posts
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Don't remember where I bought my check valve from, think it was West Marine. It is plastic and have no problems with it.
One thing to remember is that there is also a zinc diode inside the tank.
I don't drain mine, I run it out through the faucets and then add antifreeze.
One thing to remember is that there is also a zinc diode inside the tank.
I don't drain mine, I run it out through the faucets and then add antifreeze.
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