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Old 12-20-19, 02:04 PM   #3
paul wheaton
Lurking Renovator
Join Date: Nov 2017
Location: MT
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Chlorine does not kill all legionella.

If your electric hot water heater is set to 140F or higher you will be fine.

FYI: the optimal reproduction temperature for legionella bacteria is about 110 to 115 F.
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