Navien’s next-generation condensing tankless technology is designed to simplify every installation and offer the best hot water experience. It eliminates the tankless obstacles of the past, making it an ideal solution for tank replacements. Simple retrofit, exclusive ComfortFlow™ technology, ultra high condensing efficiency and now field gas convertibility all combine to make the new NPE series easily the best choice in tankless.
With features such as a negative gas valve and dual venturi system, the NPE is easily convertible from Natural gas to Propane in only minutes while on site. Two stainless steel heat exchangers provide longer life expectancy, as they are hiLow exhaust gas temperature allows for use of PVC, CPVC and Polypropylene vent systems, significantly reducing installation cost and hassle. The system can use 2″ venting for up to 60, 'often letting the installer run a flue through the existing chase without requiring additional holes. Two stainless steel heat exchangers provide longer life expectancy, as they are highly resistant to corrosion compared to copper heat exchangers. The NPE is the first tankless system that can utilize a home’s existing 1/2″ gas line, for lengths up to 24.'
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