0001489096 2020-03-06 2020-03-06 false 0001489096 8-K 2020-03-06 THERMON GROUP HOLDINGS, INC. DE 001-35159 27-2228185 7171 Southwest Parkway Building 300, Suite 200 Austin TX 78735 512 690-0600 false false false false Common Stock, $0.001 par value per share THR NYSE false