- Installation Manual
- NAVIEN CH-180 INSTALLATION MANUAL Pdf Download.
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- Navien CH240 Installation and Diagnostic Training - YouTube
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The early generation Navien tankless systems have had some definite issues…
NAVIEN CH-180 INSTALLATION MANUAL Pdf Download.
Navian was the first to come out with a condensing tankless water heater and thus they are bound to have some additional issues.
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Their new generation launched in 2011, redesned and vastly improved.
Navien CH240 Installation and Diagnostic Training - YouTube
So much so we completely stopped selling them around 2009.
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