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The Navien NPE-240S is a condensing tankless gas water heater rated at 11.2 GPM, built for whole-home hot water in larger households. It uses a stainless steel heat exchanger and secondary condensing exchanger to reach high efficiency, and it can be vented with PVC because exhaust temperatures are low. Compared with non-condensing tankless units, it recovers more heat from the exhaust and handles higher demand, but it needs gas supply and venting sized for its input. It suits owners replacing a tank or upsizing to serve several bathrooms at once.
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The Navien NPE-240S is a condensing tankless gas water heater. It provides continuous hot water and is designed for high energy efficiency.
It mounts on the wall and has a flow rate of 11.2 GPM.
