Quote:
Originally Posted by Piwoslaw
If I understand correctly, you want to plumb this before the hot water tank, not in parallel?
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Yes, before the tankless to reduce and perhaps have it not turn on when I use hot water.
Quote:
Originally Posted by Piwoslaw
If so, then this will work only if you are using water during the whole day, else the stagnant water in the pipes will overheat and boil.
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That is why I thought I would need the pressure relief valve.