hotbutton

  1. Q

    Navien NPE-240A and HotButton - DIP switches and parameters

    Re: Navien NPE-240A, Internal Pump Only, External Recirculation and DIY install of HotButton (PZZZ-00046). The HotButton Installation Manual does not mention DIP switch settings. It specifies one parameter setting: P.12 (HotButton pump cycle time). Q1: Should I leave DIP switches 1, 2 and 3...
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