The gas-fired Inferno ICB Ultra brings the field-proven performance of Inferno ICB Ultra series of boilers and water heaters to even higher levels of efficiency and reliability. Featuring full modulation with 3:1 turndown, the Inferno ICB Ultra supplies the precise amount of heat necessary to maintain desired building temperature by matching heating demand without over-firing and wasting energy. These dependable, easy-to-service boilers feature rugged construction and sleek, stainless steel jacket design. Models range from 500-2000 MBH.
