A full line of high-efficiency condensing boilers is available. The Creek boiler models — Creek 4.0, Creek 6.0, Creek 8.1, and Creek 12.1 — can be used both as high-efficiency heating boilers as well as once-through hot-water heaters. The line includes standard sizes from 4 million to 12 million Btuh at 160 psig design pressure. According to the company, the boilers will operate at up to 98 percent efficiencies and higher in some cases. Standard models are available with integrated gas burner. The boilers are also available with integrated gas and oil burner or <9-ppm low emissions technology. Features include 316L stainless steel construction and No. 2 fuel oil capability.
Superior Boiler Works Inc.