Navien NPE-180S Condensing Tankless Water Heater
Navien · Tankless · Natural Gas · Propane · Energy Star Overview for Navien NPE-180SThe Navien NPE-180S Tankless Water Heater is ideal for residential or commercial installations. It comes with two Stainless Steel Heat Exchangers, it is ENERGY STAR qualified, and it also can be installed indoor or outdoor . It includes a built-in temperature controller with the option to look at the diagnostics.« less