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Old 11-18-19, 02:53 PM   #1
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Default Heat accumulator and Legionellas?

Greetings! I would like to preheat water with sun or attic heat before letting it into my electric heater. I imagine an additional tank with heat exchanger could easily do that. But there is the question-room temperature water is a great place for Legionella bacteriia to grow. If I preheat water with my additional tank, that will be a home for bacteria. Would you see that a concern or its just me exaggerating?

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