The Navien NPE-150S2 is a highly efficient tankless water heater that boasts an impressive 6.8 gallons per minute output. This unit is designed to provide endless hot water on demand, making it perfect for households with high hot water demand. With its advanced condensing technology, the NPE-150S2 is up to 0.99 energy efficient, helping you save on your energy bills. Plus, its compact size and easy installation make it a great choice for homes with limited space. Upgrade your hot water system with the Navien NPE-150S2 and enjoy reliable hot water whenever you need it.