npe240a

Hello, I recently updated my aging NR240A with a NPE240A2, and immediately it was a better experience. Water heats faster at fixtures, the fan noise is significantly less, principally in the 'post-purge' phase. After about a week of having it installed, i decided to create a dedicated hot water...

When my Navien NPE 2401 tankless water heater is set to 120 degrees F I get 115 degrees at my farthest fixture. Set at 125 degrees I get 120 F at my farthest fixture. It there a way to calibreate the temp on these units-- I see nothing in the Manuals. Thanks

I'm in the market for a new hot water system for a large home (5000 sq ft). - 6 bathrooms, 4 full - spa jacuzzi - 2 dishwashers - 1 shower with two lines, 3 heads + 2 body wash - dual laundry rooms - total of 13 sinks in the house Water heaters are quite close to the gas source and exterior...