Product Feature: . For Sundance Spas Model: Compatible with 09/2020+ 680 Series, 03/2020+ 780 Series, 04/2017+ 780 Dover, 10/2016+ 980 Claremont/Kingston, 2016+ 880 Series. 09/2020+ 680 Alicia, 09 /2020-12/2020 680 Prado5 and Tacoma, 03/202003/2021 780 Hanover, 2019-03/2021 980 Lisbon/Odessa, 03/2018-03/2021 880 Cambria, 2011-2018 Select Series, 2013-703/2 780 Montclair, 2008-03/2017 780 Series, 2008+ 780 Series, 2008-2012 680 Burlington Models Equipped with a circulation pump, 2007-2012 680 Hartford and Hawthorne Models Equipped with a circulation and seel pump, Hutch, 2007 Camden, 2005-2006 780 Series Palermo, Bahia, and Cayman Models. .