Bosch Greentherm C 1050 ES NG Tankless Water Heater w/ Secondary Condensing Heat Exchanger

Condensing Technology With Energy factor of 0.95 and ENERGY STAR Rating The Bosch Greentherm model C 1050 ES has Energy Factor 0.95, and is equipped with an automated and fully modulating bypass for unsurpassed DHW temperature stability. Features: Condensing Technology With Energy factor of 0.95 and ENERGY STAR Rating Benchmark temperature stability achieved with an active bypass Inlet water filter featuring easy external access New venting options Concentric up-and-out venting for single boilers and two to four unit single pipe cascades Introducing the water heater mobile app for sizing and technical documentation downloads