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Semco, 1800 East Pointe Dr., Columbia, MO 65201-3508; 573-443-1481; 573-443-6921 (fax); www.semcoinc.com
eProduct 193

With more than 500 pages of extensive information on such important topics as refrigeration systems, piping, ductwork, motors, compressors, fans, pumps and more, this "answer book" is one of the most complete HVAC/R professional references available.
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