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Navien hot water but no heat

dgelfand
dgelfand Member Posts: 2
We have a Navien heat/hw system. Have hot water but no heat. Called Navien but they could not help. Told us to call plumber. Left message for plumber but it is a cold Friday night. No error codes. Any ideas??

Comments

  • Snowmelt
    Snowmelt Member Posts: 1,294
    What's the pressure on the machine?
    How old,
    Can you take a picture of boiler piping?
  • Snowmelt
    Snowmelt Member Posts: 1,294
    Most of the time it's primery secoundary piping isn't done correctly.
  • dgelfand
    dgelfand Member Posts: 2
    Thank you for the responses. After troubleshooting and coming away completely perplexed we noticed that the thermostat had a flashing battery on it.....yes needed new batteries. Have to remember to check the simplest things first. We have heat!! Thanks again.
  • Snowmelt
    Snowmelt Member Posts: 1,294
    Still let's see a picture of the work.
  • RobG
    RobG Member Posts: 1,850
    Occam is usually right!