Commercial Gas Condensing GB162 Series Boilers Who says math has to be complicated? + + = No Problem GB162 TR4 Cascade The Buderus GB162 makes boiler system design easy. From standard installations to jobs that require creative ingenuity, the GB162 boiler from Buderus offers unsurpassed flexibility. At only 150 pounds, the product offers a compact size perfect for wall-hanging yet tough enough for multi-boiler cascade configurations up to 4 units to meet most BTU load requirements. It features a patented aluminum silicate ALU-Plus heat exchanger and the Buderus Energy Management System that encourages the unit to remain in condensing mode - offering up to 96 percent efficiency for lower operating costs. Visit us at the AHR Expo, Booth 1817. Comfortable. Efficient. Intelligent Heating. Bosch Thermotechnology Corp. Londonderry, NH Bosch Thermotechnology Corp. Londonderry, NH www.buderus.us www.buderus.us www.info.hotims.com/49800-142