Advanced Navien Training

This was part of the three-day course that I was invited to at the Navien training center in New Jersey. The course was the most complete training I ever went to. I drove up from Florida so I could bring my video gear and I could use my own tools and instruments.
This video was the steps in removing the different parts and heat exchanger on a Navien NPE unit.
I would highly recommend you attend this course.
I hope you enjoy the video,
Mike
PLEASE USE A LICENSED PLUMBER TO INSTALL AND SERVICE YOUR NAVIEN TANKLESS HEATER. PLEASE FOLLOW ALL STATE AND NATIONAL PLUMBING AND GAS CODES AND TO FILE A PERMIT AND OBTAIN AND INSPECTION WITH YOUR LOCAL BUILDING DEPARTMENT.

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Hi there,
I have a Navien tankless water heater that was exchanged for free by a Navien crew in January 2015 - the previous Navien tankless was leaking internally like crazy and flooded my basement - - ever since it was installed, it has been at 115F setting for hot water ( i live in toronto ) -- - my question is, can i enter Commercial Mode on the heater and increase from 115F to 150F and safely run at 150F 24/7 - 365 ? i don't have small children in the house, they all got married and moved out within the last 6-7 years - - would there be any issues with the 150F setting when the hot water inlet to my LG front loading clothes washer is hooked to a hot water line from the Navien ? supposedly my LG washer can run at a maximum of 70 celsius on a cycle called "Sanitary" - - please advise, ,, thank you in advance