An eight-page, full-color pamphlet ...
An eight-page, full-color pamphlet from A.O. Smith Water returnss Co. highlights the company's lately expanded line of BTH Cyclone XHE[R] commercial gas water heaters, which now includes the BTH-300 and BTH-400 example water heaters--130-gallon units with inputs of 300000 and 400000 Btu respectively. The just discovered units, which achieve 99 percent thermal
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