Recent content by Bathsheba

  1. Bathsheba

    Navien CH-180 won't increase supply temp

    Thanks, I suppose that's probably what it is. *sob* I've already had the PCB replaced twice. First time under warranty, supposedly with the 180 degree board, then it failed again. Is there any way to tell by looking at this board which kind it is? I see one can buy them online, but I...
  2. Bathsheba

    Navien CH-180 won't increase supply temp

    Subject says it all: I cannot get the supply temp over 155 degrees no matter what. If I set the supply temp to 160, I get 155. If I plug in the outdoor temperature sensor, regardless of what I set the K curve to I get 155. I tried changing the DIP switch to set the return temp instead of...
  3. Bathsheba

    Navien CH-180 victory

    So this is the only place on the internet that might appreciate this story, and I wanna tell someone. My CH-180 was installed 7 years ago and it's been nothing but trouble. Lots of ignition problems, never been able to heat the apartment properly when it's below freezing out, and now the...
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