Oct 15, 2018 · So my Navien had a code E351 along with the ranch sign on. I called Navien support and was told to read the PSI after I plug out and in the system. PSI was 4.1. They told me to call a …

Oct 25, 2021 · Hello, I just had my Navien NPE-240A (EDIT: It's actually an NPE-240A2) and NaviCirc installed today. First time tankless user. I was reviewing the manual and installation after they left, …

Jan 1, 2022 · Hi, Should a Navien hydronic heating system turn on and off four to five times an hour? I am living in a place with a Navien CH-240 that drives domestic hot water and an in-floor, six-zone …

Jan 8, 2019 · How to Bleed Air from Navien Combi 240? Hope Jan 8, 2019 navien ncb-240e combi boiler pressure drops slowly

Jan 15, 2020 · Navien NPE 240A— Navilink recirculation—some customer insights. I have had The Navien NPE240A for about two years now and the unit has worked flawlessly, but it has taken me a …

Jul 9, 2015 · Ok, So I have a 4.5 year old Navien NR-210a condensing tankless heater. (Late 2010) I more or less did the entire install myself with the help of a few skilled friends either on site or on the …

Oct 25, 2021 · Hi, I had a new Navien NPE-240A tankless system installed about a week ago. This replaced a standard tank, which also had an external circulation pump that run continuously. I …

Dec 15, 2016 · Does anyone know the logic behind how Navien controls their internal recirculation pump when it is circulating with an external loop? This would be with the second dip switch in the "On" …

Feb 8, 2023 · Navien specifies 3" max diameter for the venting. If I had the installer run 2" venting to and from the unit but then converting to the existing 4" venting above the ceiling, let's say five feet up, …

Mar 5, 2022 · Hi all, we had a Navien NPE-240A installed in 2014, and have been happy with it. We did have a weird issue with water temperature being colder than expected occasionally, but it always …