NPE-240S2

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7.0/10

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Waterlyst Score 7.0/10

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Irvine Pipe & Supply

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About this product

The Navien NPE-240S2 is a premium condensing tankless gas water heater built for homes and light commercial spaces with heavy hot water demand, delivering up to 11.2 GPM and 199,900 BTU/h of heating input. Its dual stainless steel heat exchangers and 15:1 turndown ratio keep operation efficient across a wide range of usage, while the built-in multi-line control panel with diagnostics lets users adjust temperature settings from 97°F to 140°F (up to 185°F in commercial mode) and monitor error codes at a glance. Compatible with 2" PVC venting and ½" gas piping, the unit can be installed indoors or outdoors and supports Ready-Link cascade systems of up to 32 units for high-demand applications. Backed by a 15-year heat exchanger and 5-year parts warranty for residential use (8-year/5-year for commercial), and certified by CSA, NSF, AHRI, and Energy Star, the NPE-240S2 offers reliable, on-demand hot water with the flexibility to scale from a single household to larger commercial setups.