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.