The Utica CuB series is ideal for both heating-only and combi-heating, and domestic hot-water applications, including single-family homes, apartments/multifamily dwellings with individual appliances and retrofits for high-temperature systems. Also new from Utica, the SSV gas-fired wall-hung modulating-condensing boiler was named a 2014 most-efficient product by Energy Star. All capacities are 95% AFUE with a 5:1 turndown ratio. The SSV features Utica’s original vertical, patent-pending heat exchanger design. This low-maintenance self-cleaning heat exchanger is designed in the U.S., and withstands up to 150 psi MAWP. The SSV is approved for PVC, CPVC and polypropylene venting and comes with a 15-year limited manufacturer’s warranty, plus a first-year $500 heat exchanger labor warranty. Utica Boilers.