Recent content by cslee

  1. cslee

    Navien NR-240A leaks

    I have some small leak off the bottom of the heater. I see deposits at the pump an 3 way valve. Well there's deposits other places too but that's the main areas. Any idea why it leaks a little bit?
  2. cslee

    External buffer tank

    Does anyone tried adding an external insulated buffer tank to the recirculating line of the NR240A? Is there any benefit? The internal rather small
  3. cslee

    Controling Navien NPE internal recirculation pump

    I have an NR240A for about 10 years now. Working well so far. However, I have envious of those who have the NPE with the hot button and wifi link. Is there the same solution for NR240A? Can I swap out the mainboard in the NR240A to an NPE240A board to get all that features? Is the cable harness...
  4. cslee

    Navien Tankless Water Heater Comments and questions

    Hi all, I have some questions of the external recirculating of NR240-A. I have a return line and I've set DIP switch 4/5 to OFF/ON and make sure the 3-way return valve is in the horizontal position. I set the timer to run about 16 hours. Is that all correct? I dont feel the return pipe...
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