tankless water heater navien recirculating pump

  1. J

    NR-240A-NG // Low pressure output, not heating, Error Code 38E

    Good Day Experts, I am experiencing low flow and cold water from my NR-240A-NG tankless water heater. I have cleaned the air intake filter (light skim of dust/derbis), drained the water heater, cleaned the cold water inlet filter (it is now somewhat broken/screen in pieces), dirt/mud trap...
    • JM2020
    • Thread
    • 240a tankless water heater hot water problems tankless water heater navien recirculating pump
    • Replies: 1
    • Forum: Tankless Water Heater Forum
  2. Dan Roth

    Shut off recirc. on Navien 210A

    Is there a setting to shut off the recirc. pump on a Navien 210A. The knocking throughout the house is really loud, especially at night. I realize it will take some time to get hot water from the faucets.
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