Bradford White Corp. announced the purchase of Niles Steel Tank Co. of Niles, MI. The newly acquired firm will become a wholly owned subsidiary of Bradford White Corp. and will extend the company's current product line offering to the water heating industry. Niles Steel Tank Co. manufactures large-volume storage tanks and is able to build tanks up to 11 feet in diameter. Leonard F. Rzepczynski, a Bradford White vice president and 21-year veteran of the firm, has been appointed general manager of the new subsidiary.