Navien Combi Boiler Price, PSI was 4. This CH-240 unit does no

Navien Combi Boiler Price, PSI was 4. This CH-240 unit does not have some of the altitude-adjusting DIP switches that the newer units have. Using Cold lines, the water returning to the WH will never be hot so bypassing the Thermal Bypass would make sense. You might change 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 hydronic heating system. The hydronic system uses PEX tubes under a concrete floor. I have only ever had Jan 8, 2019 · How to Bleed Air from Navien Combi 240? Hope Jan 8, 2019 navien ncb-240e combi boiler pressure drops slowly Jan 25, 2022 · With the Navien unit running while a hot water tap is fully on, the exhaust is blowing out 90% LEL gas and 121ppm CO. 17 setting is ON, but NaviCirc is a thermostatic valve utilized when there is not a dedicated return line so the home's Cold water lines are used for the return path for Hot water recirculation. 1. Apparently the pressure is low and need to Oct 25, 2021 · Hello, I just had my Navien NPE-240A (EDIT: It's actually an NPE-240A2) and NaviCirc installed today. I called Navien support and was told to read the PSI after I plug out and in the system. (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 phone to give advice. I was reviewing the manual and installation after they left, and I don't think they have the NaviCirc hooked up properly, and I want to confirm before I call them back Mar 5, 2022 · Hi all, we had a Navien NPE-240A installed in 2014, and have been happy with it. I thought I would share here May 28, 2019 · The heat exchanger in the Navien is a water tube type with a high pumping head, and isn't designed for high flow rates, but also requires a minimum flow rate to avoid microboil on the heat exchanger from becoming macro-boil, reducing heat transfer efficiency. That said, if you do the math you may very well be able to find a pumping rate that meets the requirements of both the Navien and the Jul 9, 2015 · Ok, So I have a 4. This year we switched to a new servicer who told us it had been installed wrong and was set to Jan 15, 2020 · Navien NPE 240A— Navilink recirculation—some customer insights. Has anyone else here had a similar issue with their Navien? Did you have a tech adjust some kind of air/fuel mix in these units? Oct 15, 2018 · So my Navien had a code E351 along with the ranch sign on. I have had The Navien NPE240A for about two years now and the unit has worked flawlessly, but it has taken me a while to get my recirculation settings working and recirculation parameters dialed in. They told me to call a contractor and have him/her take a look at it and go from there. While I'm not an installer or service tech working on these things all day Jan 11, 2021 · The Navien NaviCirc manual specifies on page 10, the appropriate P. Has anyone else here had a similar issue with their Navien? Did you have a tech adjust some kind of air/fuel mix in these units?. 5 year old Navien NR-210a condensing tankless heater. We did have a weird issue with water temperature being colder than expected occasionally, but it always went away. Oct 15, 2018 · So my Navien had a code E351 along with the ranch sign on. First time tankless user.