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, 03/2020-03/2021 780 Hanover, 2019-03/2021 980 Lisbon/Odessa, 03/2018-03/2021 880 Cambria, 2011-2018 Select Series, 2013-03/2017 780 Montclair, 2008-03/2017 780 Series, 2008+ 780 Series, 2008-2012 680 Burlington models equipped with a circulation pump. For Sweetwater & Jacuzzi Spas Models: Compatible with all 2003-2004 Sweetwater models and Jacuzzi 2015+ J-500 Series, 09/2015+ J-400 Series, 2016+ J-300 Convertible models, 02/2020+ J-300 models, 10/2020+ J-200/J-100 models, 2002-2003 J-320, J-330 and J-340 models, 2004+ J-335, J-345, 2007+ J-355, J-365, J-375 models, 2007+ J-230, J-270 and J-280 models with the circulation pump option, 2002-2015, J-300 LED Series (with curved finger connectors), 2011+ JLX, JLXL models. Replacement Spa Flow Switch Kit: This complete replacement flow switch kit is made of an impact-resistant surgical plastic housing, clear plastic for easy viewing of any debris in the switch. A faulty flow sensor will cause a \"Flashing Flo\" or \"Solid Flo\" on the control panel icon, it's time to replace your old flow switch if you are getting a \"Solid Flo\" error. Saves you from a clogged or faulty circulation pump or dirty spa filter. Plug & Play: When it comes to installing this flow switch, it only takes a few minutes to complete. Simply unscrew the old flow switch and screw in the new one while paying attention to the flow direction of the switch during installation. Color: Blue+Black Material: Plastic Package Contents: 1x Flow Switch Part Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.