Recent content by nadaplumber

Thx, Dana. The pressure when the unit is not running is in the middle 9.X range, when running it is over 10. I had been purging the radiators of air as I had done when the unit was initially installed. I've done this three times already and as you have pointed out I may need to do this even...

BTW, I also cannot set the supply temp. When I follow the instructions in the user manual the display appears to want me to set the K-Factor even though the space heating supply icon is flashing. I cannot get the K-factor icon to flash at all. Only the supply icon will flash; the display...

First post so excuse my ignorance : ) Here's my setup....... Navien CH-240, remote controller, outdoor temp sensor, external thermostat on main floor of home, cast iron radiators I had the Navien installed in late December last year and it ran fine until just yesterday. Now, no heat though...