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Can I use a recirculation pump and line for DHW with Navien?

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Xmytruck
Xmytruck Member Posts: 85
edited February 2015 in THE MAIN WALL
Hello ,
Just wondering if I can use re-circulation pump for DHW to get instant how water on Navien like a CH240, it has a re-circulation built in so could I cause damage if I installed one?

Thank You
Xmytruck

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  • Snowmelt
    Snowmelt Member Posts: 1,416
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    Yep you can but have to follow some rules with these tankless where are you calling from.
  • Xmytruck
    Xmytruck Member Posts: 85
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    Thinking about pulling right before it heads to the second floor.
  • Snowmelt
    Snowmelt Member Posts: 1,416
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    When I do recirc on a tankless taco just renamed there circulation pump it's called genie pump. That will get you the best bang for your dollar. Also what I do is add a air eliminater and a potable expansion tank. I would also make the return 1 inch.

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