Quote:
Originally Posted by Kamper
No. You don't.
That's the point of an 'on-demand' system. You aren't wasting energy keeping a tank of water hot.
The point of adding a recirculating system is that you don't waste water. The 'loop' runs back from near the faucet to just before the heater.
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Doesn't the heater need to turn on and off to keep the loop hot? Wouldn't that defeat the purpose of saving energy? We are still talking on demand systems right?