The Biasi B10 is a cast iron boiler that is both gas and oil burner compatible. The B10 is Energy Star compliant and has an efficiency of up to 87.2% AFUE. It features a 3-pass heat exchanger boiler design which contains three times as much interior surface area, allowing up to 40% fuel savings over conventional single pass boilers, according to the company. The B10 can be direct vented outdoors, meaning no flue is required. The unit also has an easy-access swing door for easy serviceability.
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