AERCO introduces the AERCO Modulex line of condensing boilers that represents a breakthrough in high efficiency design. Available in six sizes, the boilers bring an unprecedented level of operating reliability to installations that require anywhere from 300,000 to 1 million BTUs/hr. AERCO Modulex boilers provide best-in-class performance, including turndown ranges from 6:1 to 23:1, resulting in up to 96% efficiency. For more information, contact AERCO at 800/526-0288 or visit www.aerco.com/c2.