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Old 04-11-2014, 01:41 PM   #1
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On demand for lake water?

Was talking to the Culligan guy here in town and he said that the on demand systems aren't good if your running off lake water that is put through a filtration system, reverse osmosis to be exact? Can anyone confirm this?


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Old 04-12-2014, 09:28 AM   #2
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On demand for lake water?

Ayuh,.... So long as the heater is After the filters is should work Ok,...


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Old 04-12-2014, 10:45 AM   #3
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On demand for lake water?

Maybe it is only the cheaper electric ones that it is bad for. Not sure. I think I remember hearing something like that. Sorry couldn't be more help.
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Old 04-12-2014, 02:48 PM   #4
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On demand for lake water?

We didn't go tankless at our place. The advice I got was not to go tankless because the system would be off for significant periods, and drained and winteized every year. My brother in law (a licensed plumber) said that he has dealt with a few problems with them in seasonal cottages in remote locations.
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