Burnham Freedom, 70,000 BTU Output High Efficiency Aluminum Boiler (LP Gas)

Note: Product Title reflects this boiler's IBR Net Output Rating Few boilers can deliver the kind of energy efficiency that the 95% efficient Burnham Freedom can. Beneath it's sleek, modern jacket you'll find a durable cast-aluminum mono block heat exchanger which wrings nearly every BTU of heat from the combustion process and delivers it directly to the heating system. The Freedom's advanced control system senses just how much heat the building requires and adjusts the boiler's output accordingly. The Freedom boiler and the heating system work in harmony to achieve incredible efficiencies and provide unmatched comfort. Features: High Efficiency Boiler - ENERGY STAR® Certified Cast Aluminum Mono Block Design Direct Vent Fully Modulating Operating Control with Outdoor Reset 80/125 MM Concentric Vent Kit Included Wall-hung or Floor Mount Configuration Suitable for Use on Combustible Flooring Multiple Venting Options Available (Polypropylene concentric venting, CPVC/PVC venting, Stainless steel 2-pipe venting