Bosch Gas Fired Boiler, Sealed Combustion, Series: GA124, Liquid Propane/Natural Gas, Net IBR Rating: 51000 Btu/hr, 70000 Btu/hr Input, Intermittent Ignition, 59 MBtu/hr DOE, 85.2 % AFUE, 22 in L x 23 in w x 34-1/4 in H

GA124 Series Gas Fired Sealed Combustion and Draft Induced Boilers set new standards for quality and comfort. If you have a cramped mechanical room with limited combustion air-no problem! The GA124 Series Sealed Combustion Gas Boiler features low temperature operation and special GL-180M cast iron, low emissions with premixed burner technology, and a reduced footprint for tight spaces. Suitable for installation on combustible flooring. Standard equipment includes stainless steel burners, factory assembled and wired boiler, all feature the AquaSmart control with the HeatManager function to adjust water temperature based on heating demand for additional fuel savings,, slow opening gas valve, and 3" insulated jacket. Concentric termination body is included for horizontal sealed combustion or direct vent application. Boilers are set for natural gas at sea level.