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Old 07-07-22, 01:24 PM   #3
Elcam84
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Join Date: Jun 2013
Location: TX
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Yeah once water starts warming up then Legionella starts becoming an issue. Our water for the house is from the city and our house is far the the front and side of the lot which means our line from the house to the water main is only about 20' as the main is on the side of the house.

My thought was that the heatpump water heater guys could make a two tank system. Pull the heat out of the cold side tank and put it into the hot side tank.

Sadly the problem will be made even worse when I put in a water softener and filter as they will be in the garage soaking up even more heat...

My question is what to do they do about it in desert areas. Do they just live with the fact that you will get Legionnaires disease every so often? It's usually an issue in waterheaters that aren't set hot enough but happens in cold water supplies that are not cold enough.
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