Navien NPE-180A2

HIGH EFFICIENCY CONDENSING TANKLESS WATER HEATER

Field convertible gas system
Ultra condensing efficiency
Dual stainless steel heat exchangers
Low NOx emissions (20ppm)
SCH 40, 2″ venting up to 75′
Cascading capable
EZNav multi-line control panel
Built-in HotButton control panel
Common vent up to 12 units