Ok, thanks for the explanation. That means, that if I can get my unit as close as possible to the basement, where my heating system is, I could build the WWHX into the outdoor unit. I would have less than 1m WW Line outside my building hull. I will use a simple anti freeze cord system and put alot of insulation around the WW and CW Line to the WWHX. That will simplify the plumbing for the WWHX. Thx.
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