NaviLink

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This fall it happen again that the iPhone app provided the wrong time to my tankless water heater recirculation so schedule was off by an hour. Same thing happen in spring when switched to daylight time. A few days before the fall change the recirculation came on an hour late. I called customer service and was told to get a plumber to look at. I told the agent it is the app and wanted to speak with a supervisor. After a few minutes the agent came back and informed me to do “Change NaviLink Information “ under “Setting”. This worked. I was told that the app was developed in Korea and that is where the time server resides. Probably they don’t have daylight saving in that country and manually have to change the time. Another issue with the recirculation schedule that if I select “Disable” the recirculation runs continuously. Sometimes I want to temporarily stop it when will not need. The function does not do this. The app ready needs fixing and more support by Navien.

This app is the interface to my navilink wifi controller I purchased to control my 2019 Navien 240A water heater. Easy to install and works well. I was hesitant due to the numerous poor reviews, but my experience was very positive. The UI on this app isn’t the most intuitive, but it’s very usable and I like to scheduling interface to control the internal recirculating pump in this tankless water heater. I can control, using 10 minute increments, exactly when my pump activated and deactivated. I can also use the enable/disable button on schedule like the “hot button” feature. By default pump runs 24x7, so if I disable my schedule the pump immediately activates. When I enable my schedule, pump resumes execution per schedule. I am able to control my unit when I’m on my local WiFi, or from anywhere I have I internet connection. I’ve never had any connection issue in 1st month of use. I’ve monitored my unit and it responds exactly to the commands issued from this app, including schedule. The data points don’t seem very helpful as of yet, but the remote control via smart phone is super convenient. Using navilink or the hard wired remote are the only ways to schedule recirculation, unfortunately can’t be done from units control panel. For those having issues using navilink for scheduling, more than likely you don’t have a supported control panel, check Navien site for details.

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I received the unit yesterday attempted to install it on my system. Using the Wi-Fi was a complete disaster so I opted to hardwired ethernet, made it much simpler. There’s no clear instructions for the app itself that I could find. I have the Navien NCB-240E unit which is domestic HW and heating combined. I assume the heat off switch has to do with the heating part of the system?Another nice feature would be if the information updated on its own say every 10 seconds or so rather than having to hit the refresh button constantly. I’m doing some research with my system and constantly had hit the button to see the new readings. Boiler is great, so far app and interface needs a lot of work.

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I have no control of the recirculating pump and wireless controller is useless for the past 3 weeks. It stopped working, tech support sent me another router thinking it was that and now blame it on the app. Well never had any product down for more than a day before, especially hardware or software issues for other apps/devices. Very slow to try and get an issue resolved and not worth getting the wireless router if you can’t at least log in to control the heater/recirculating pump. I am sure that this is not that difficult to fix, but there is no workable solution and was told that they are working on it. Fast forward 2 weeks and still it does not work.

App is great. I love the statistics. Suggestion to make it better than it already is. Make the outdoor temperature available on main screen for those of us that have the outdoor reset installed. Also it would be nice to keep the history of usage from month to month so you can compare for efficiency. All in all this app provides great information and these additions will make it superior.