COWB3-3, 85.2% AFUE, Oil-Fired Water Boiler with
COWB3 Boiler. 85.2% AFUE, Oil-Fired Water Boiler, 105,000 Btuh, 9.6 Gallon Capacity. Standard-efficiency, oil-fired water boiler. Built with the finest quality components, including a Beckett® oil burner and a durable cast iron heat exchanger, the COWB3-3 boiler delivers quiet, efficient performance year after year. Energy Efficiency
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