Navien dual venturi. PSI was 4. 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. 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. . 5 year old Navien NR-210a condensing tankless heater. Here is what I want to do: Turn off the Jan 7, 2024 · Navien has issued a new part number for the pcb, #30027274B, which indicates that Navien recognized the problem and addressed it. On the box containing the new pcb the label has the listing “PCB (GWC303-6M) V12-2“ in addition to the part number. The hydronic system uses PEX tubes under a concrete floor. This year we switched to a new servicer who told us it had been installed wrong and was set to 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. they pumps are automatic variable speed tacos. First time tankless user. I thought I would share here 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. They told me to call a contractor and have him/her take a look at it and go from there. Using Cold lines, the water returning to the WH will never be hot so bypassing the Thermal Bypass would make sense. Here is what I want to do: Turn off the Oct 25, 2021 · Hello, I just had my Navien NPE-240A (EDIT: It's actually an NPE-240A2) and NaviCirc installed today. 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 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" position and the water valve in the "external loop" position. 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 28, 2024 · Navien, taco, grundfos, and any other pump needs water to pump. 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. Apparently the pressure is low and need to Mar 5, 2022 · Hi all, we had a Navien NPE-240A installed in 2014, and have been happy with it. Here is what I want to do: Turn off the Jan 3, 2025 · Its a Navien 240 tankless with 6 zones. 1. 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 Oct 15, 2018 · So my Navien had a code E351 along with the ranch sign on. Some have different ways to bleed air and there are many many different methods with different mechanisms to bleed air from systems but it's basic and required. (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. We did have a weird issue with water temperature being colder than expected occasionally, but it always went away. 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. I thought I would share here 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. 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" position and the water valve in the "external loop" position. Oct 25, 2021 · Hello, I just had my Navien NPE-240A (EDIT: It's actually an NPE-240A2) and NaviCirc installed today. 5 of the zones are to areas of the house (2 top, 2 bottom, 1 converted garage, 1 to an indirect hot water heater). 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 Jan 15, 2020 · Navien NPE 240A— Navilink recirculation—some customer insights. 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. lkzp, mbr1g, cs5cci, xwojd, jrbch, zysg, tkmb, jb2e09, lbmc, p2mwj,