Oil Boiler and Low loss Header Installed - Navien LCB700 

Nice job....👍 Navien combi gas boilers have got a lot of problems over in the USA with multiple faults in their construction and long term reliability issues , this is the first oil boiler I've seen and it will be interesting to see how it holds up in the next few years compared to its gas equivalent , I hope your going to do the servicing and maintenance of the system so we can follow its progress... Cheers..... 👍

Pea gravel is non compressible and better than sand for drive crossings etc. ;-) Main problem with Navien you eluded to without realizing: Components are more like gas boiler, they won't last in the far more aggressive/corrosive oil boilers......... If you watch any American heating chanels you will have seen the problems Navien are having over there ( they have been there some years now) Biggest problem I see is Navien don't use industry standard burner spares so as a service engineer I wont have ANY spares on the van to fit them, so customers will be cold until I can get them from Navien. Time will tell I guess. Cheers.

Nice work. However, I was always led to believe external boilers could not be installed internally.

Any updates on how reliable this model is? Thinking of getting one