Bosch ZWB 42-3 Greenstar 151 117,000 BTU Combi Gas-Fired Wall-Hung Condensing Boiler

Note: Product Title reflects this boiler's IBR Net Output Rating. "Combi" (combination) unit with space heating and integrated water heating in one highly efficient, compact unit. With special insulation to ensure ultra quiet operation and the exclusive keypad safety lock feature to prevent unwanted tampering with heating controls, this unit is the ideal "green" upgrade for detached & terraced houses and is also suitable for apartments. Energy-saving & environmental features Includes CRC200 Programmable Comfort Room Controller Aluminum-Silicon heat exchanger delivers high efficiency - 95% with low temperature applications Low NOx emissions ahead of 2012 SCAQMD regulations Simple, intelligent control options optimize efficiency and fuel consumption Low electrical consumption when the boiler is in standby mode Electronic ignition Anti-cycle and modulation control End user comfort & convenience features Limited lifetime heat exchanger and 5-year parts & labor warranty All models available as NG or LP Special ...