Additional InformationAHRI Certified|ASME Certified|cETLus Listed|ENERGY STAR Certified
Marketing InformationOn the outside of the Aspen high efficiency condensing boiler is sleek, smart, ergonomically optimized styling an elegant design so striking that it has actually been adopted by others in the industry. But that's where the comparison ends. On the inside you'll find a proven stainless steel fire tube heat exchanger and an advanced combustion system, designed to set new standards for reliability, efficiency, ease of installation and operation.