Bosch Greentherm T 9900 SE 199 NG Tankless Water Heater

Features: Space-saving, state-of-the-art tankless design Ultra efficient with UEF ratings up to 0.96 High resolution color LCD interface Wi-Fi accessory & App increases functionality Ability to control external pumps Industry leading 22:1 turn down ratio 60ft venting using 2" pipe Ultra Low NOx Certified Integrated freeze protection Stainless Steel condensing heat exchanger Dedicated outdoor unit eliminates the cost of a vent kit