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profdant139's avatar
profdant139
Explorer II
Nov 21, 2015

Idea for simplified water tank heating -- need your advice

This stems from a brilliant project posted by SteveAE over on the boondocking forum, to keep the tank from freezing. His project involved a solenoid that controlled the flow of hot water into the out...
DrewE's avatar
DrewE
Explorer III
Nov 21, 2015
WyoTraveler wrote:
How about the theory that cooling hot water freezes quicker than cooling cold water?


It's wrong. If you think it over, you'll realize that before it becomes frozen water, the hot water has to first become cold water...at which point it takes as long to freeze as cold water.

Likewise, hot water comes to a boil sooner than cold water, for exactly the same reason.

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