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    How do I extend the Navien Navilink RS485 cable to 25 feet in length?

    I ended up using the existing RS485 cable that came with the unit and attaching the Navilink Wifi unit to it in the closet. I then ran an extension cord to the Navilink wifi unit to provide power. So instead of getting a longer RS485 cord I used a longer power cord. The Navilink unit is in...
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    How do I extend the Navien Navilink RS485 cable to 25 feet in length?

    I wish it were that simple. The Navien uses an RS485 cable. The RJ45 cable and connector you referenced won't work.
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    does the navien npe-240a tankless require an expansion tank?

    Where do you install it? Anywhere in the cold water supply line or near the tankless water heater?
  4. P

    How do I extend the Navien Navilink RS485 cable to 25 feet in length?

    I just had my house repiped and my two tank water heaters replaced with a Navien NPE-240A2 Tankless water heater. The new Navien NPE-240A2 came with Navilink. The problem is where the contractor located the tankless water heater is not a convenient location for hooking up the Navilink wifi...
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