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Old 05-13-2017, 11:41 AM   #26
Kamper
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Quote:
Originally Posted by swnoel View Post
If you really need a recirc loop you'll need a holding tank. ...
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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