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When specifying a boiler or combi boiler, altitude can have a significant impact on combustion performance and product selection. Contractors and distributors serving customers across varying elevations need equipment that can adapt to changing installation conditions without adding complexity. With approved installation from 0 to 12,000 feet above sea level (ASL), the Rheem® FT Series boilers provide one of the broadest altitude ratings available in the residential boiler and combi boiler market, helping contractors simplify product selection and serve more applications with confidence. Why Altitude Matters As elevation increases, air density decreases, reducing the amount of oxygen available for combustion.…
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