Navien Recirculation Pump Settings at Carrie Cooper blog

Navien Internal Vs External Recirculation. Internal vs External Recirculation Navien 210A r/Plumbing Follow these steps to use the internal circulation mode. Temp: Set the Recirculation Off offset temperature

NPEA2 Series Tankless Water Heaters with Recirculation Pump Navien
NPEA2 Series Tankless Water Heaters with Recirculation Pump Navien from www.navieninc.com

Recirc Interval Time: Set the recirculation duration To exit the view information mode, just press the back button on the front panel

NPEA2 Series Tankless Water Heaters with Recirculation Pump Navien

To prevent the cold lines from becoming excessively warm, the thermostat control within the valve will stop recirculation flow once the hot water arriving becomes ~100 degrees the recirculating pump will circulate water already in the system, there for that water should not freeze, however it does nothing for the water on its way into the system, that water could freeze, if it does the unit cannot. It seems like I should change the mode to "Internal Ricirculation." (That is, DIP 1 is ON, and 2 & 3 are OFF).

Internal vs External Recirculation Navien 210A r/Plumbing. I was reading the directions, and it wants me to set the Heater to External recirculation Follow these steps to use the internal circulation mode.

Navien Combi Boiler Installation Diagram. I suspect the builder just left the default settings The house is set up with recirculation, though I am not sure where in the house the "T" on the system is located