Usage Tips: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 curled finger connectors), 2011+ JLX, JLXL models Spa Flow Switch Replacement Kit: This complete flow switch replacement kit features a high-impact surgical plastic housing and clear plastic for easy viewing of any debris in the switch. A defective flow sensor may cause a "Flashing Flo" or "Solid Flo" on the control panel icon. It is recommended to replace the flow switch if a "Solid Flo" error appears. Helps prevent issues related to clogged or defective circulation pumps or dirty spa filters. Plug & Play: Installation takes only a few minutes. Simply unscrew the old flow switch and install the one, ensuring correct flow direction during installation. Color: Blue + Black Material: Plastic Package Contents: 1 x Flow Switch Part Kit Note: Light reflection and different displays may cause slight color variations between the item and the image. Measurement allowance is +/- 1-3 cm.