navien ncb-240e

  1. Seth Rieder

    Need help dialing in Navien NCB-240E Combi boiler

    I am curious what the best settings for my system would be as the installer has been less than helpful. This is our second winter here and after heating the house last year with the in floor it didn’t like to keep up in the very back corner of our house which happens to be the master bedroom. I...
  2. Tom Hess

    Navien NCB-240E Internal Pump

    I have a Navien NCB-240 Combi Boiler at my lake home. When I was up there last weekend I noticed it kicking on and off. What I mean by that is that the internal pump kicks on for 15 seconds every 2 minutes. This is different as I don't recall that being the case before. I called Navien and...
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