For Sundance Spas Models: 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, 2013–03/2021 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-grade plastic housing and clear plastic for easy visual inspection of debris inside the switch. A defective flow sensor may cause a "Flashing Flo" or "Solid Flo" indicator on the control panel. A "Solid Flo" error indicates the flow switch requires replacement. Helps prevent issues related to a clogged or defective circulation pump or dirty spa filter. Plug & Play Installation: Installation takes only a few minutes. Simply unscrew the old flow switch and install the new one, ensuring correct flow direction alignment. Color: Blue + Black Material: Plastic Package Contents: 1 x Flow Switch Part Kit Note: Light reflection and display settings may cause slight color variation between the image and the actual product. Measurement tolerance is ±1–3 cm.