Hi
I've been doing a deep dive into condensing boilers. This is the brand my plumber recommended. There are 2 models
https://www.navieninc.com/series/nhb
and
https://www.navieninc.com/series/nfb
I understand they have different technology for the heat exchanger, but other than. Can anyone explain the pros/cons of each? I am mainly interested in reliability.
Thank you
Jinder
Elmer J Fudd
formulaross20
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