Aqua Hot® indirect water heaters are designed for hydronic market needs. Part of the company’s European product line, it is now being introduced in the United States. Eleven models, ranging in size from 26 to 266 gal and 88 through 500 MBtu, are available. The product provides potable hot water for a variety of hydronic heating applications, both residential and commercial, the company says. It features a steel heating coil submersed inside a steel tank and surrounded by heavy foam insulation.

A.O. Smith Water Products Co., Rochelle Park, Suite 200, 600 E. John Carpenter Freeway, Irving, TX 75062; 800-527-1953; 972-719-5960 (fax); (Web site).