Recent content by JRL84

  1. JRL84

    Navien NCB-240E Question

    Hi Everyone, I just had my old Navien CH-210 replaced today with an NCB-240E. Here is my issue: When I turn on the heat, the unit kicks on and gets up to a range of temperature between 137-142. Within 10 minutes, it will drop below 135 and the unit will once again make the sound as if it is...
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