Noritz 199,900 BTU Indoor Tankless Water Heater

Noritz has redesigned and reformulated the heart of what makes the tankless work - The Heat Exchanger. By using a special stainless steel blend the heat exchanger has not only gained better efficiency, but also SUPERIOR durability. Modes of Circulation: Learning Mode : With the the new learning mode in the NRCR your tankless will learn your habits based off your daily use and turn on the recirculation pump when you need it. Scheduling Mode: Want more control? With the NRCR you can set your own schedule with a remote accessory and tailor the integrated pump to your lifestyle or scheduled needs. Features: BTU Input Range: 18,000-199,900 Max GPM: 11.1 UEF: 0.97 Warranty: 15 Year Warranty on Heat Exchanger Recirc Length: 200 feet (1/2") 500 feet (3/4")