shimon

shimon t1_izmtqt0 wrote

What parts have you had to replace?

We have an 11 year old Navien combination heat/hot water tankless, and have never replaced any parts in it. There have been a couple of times the hot water flow sensor got jammed up with something and had to be cleaned out for the hot water to flow again. And you do need the approximately annual clean/descale service.

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