Quote:
Originally Posted by Kamper
With the push-button system the water only circulates when you want it to. The on-demand saves energy and the circulator saves water.
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So you have to push a button on the circulator?
Where is the button?
If the shower is at the other end of house, there is cold water in the pipe. Pushing a button some place still has to heat up that cold water in pipe.
So apparently one is still using fuel to heat up the cold water in pipe.
6 or one and a half dozen of the other.
But let the engineers here explain all.