Navien’s NPE-2 condensing tankless water heaters include a turndown ratio up to 15:1, advanced EZNav multi-line control panel with setup wizard, and 2" PVC venting up to 75', Navien notes. The NPE-2 continues to offer dual stainless steel heat exchangers, 1/2" gas pipe capability up to 24' and a patented ComfortFlow recirculation system with built-in pump and buffer tank (NPE-A2). www.navieninc.com
Navien Tankless water heater
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