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  1. Dobson

    Help setting max space heat capacity for Navien NCB 240E

    I need some help understanding how to set my Navien NCB 240E. Most importantly, where I should set the max space heating capacity (50% - 100%). I have a 2,800SF house with 116 feet of fin-tube and 3 zones. I have the outdoor reset setup to the preset fin tube setting. Now, I see that my max...
  2. Dobson

    Help with return water dip switch settings (Navien NCB 240e)

    I’ll keep this as short as possible. I’ve read the manual and scoured the internet and have yet to find a clear answer here. I have a brand new Navien NCB 240e that so far has given me nothing but problems. However, I’m slowly finding out that my problems are from an incompetent installer and...
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