The Navien NHW-SU Series is a universal non-condensing tankless water heater designed for both indoor and outdoor installations. Featuring Navien's patented NaviTech(TM) stainless steel heat exchanger and burner, the NHW-SU delivers dependable performance, low NOx emissions, and up to 9.5 GPM capacity. Its compact wall-hung design, direct vent capability, and universal installation flexibility help simplify retrofit and new construction jobs for contractors seeking a reliable, high-performance non-condensing tankless water heater solution.

• NaviTech stainless steel heat exchanger and burner
• Compact, space-saving design perfect for retrofitting
• Universal unit for indoor outdoor installations
• Cascading capable
• Low NOx emissions (20ppm)
• Reliable universal performance for a perfectly balanced and efficient hybrid home