Compatible with Sundance Spas models: 680 Series (09/2020 and newer), 780 Series (03/2020 and newer), 780 Dover (04/2017 and newer), 980 Claremont/Kingston (10/2016 and newer), 880 Series (2016 and newer), 680 Alicia (09/2020 and newer), 680 Prado5 and Tacoma (09/2020–12/2020), 780 Hanover (03/2020–03/2021), 980 Lisbon/Odessa (2019–03/2021), 880 Cambria (03/2018–03/2021), Select Series (2011–2018), 780 Montclair (2013–703/2), 780 Series (2008–03/2017 and 2008 and newer), 680 Burlington (2008–2012) — all models equipped with a circulation pump. Compatible with Sweetwater Jacuzzi Spas models: All 2003–2004 Sweetwater models; Jacuzzi J-500 Series (2015 and newer), J-400 Series (09/2015 and newer), J-300 Convertible Models (2016 and newer), J-300 Models (02/2020 and newer), J-200/J-100 Models (10/2020 and newer), J-320/J-330/J-340 (2002–2003), J-335/J-345 (2004 and newer), J-355/J-365/J-375 (2007 and newer), J-230/J-270/J-280 (2007 and newer, with circulation pump option), J-300 LED Series (2002–2015, with curled finger connectors), JLX/JLXL models (2011 and newer). Spa Flow Switch Replacement Kit: Made of high-impact surgical-grade plastic housing with clear viewing window to monitor for debris. A defective flow sensor may display “Flashing Flo” or “Solid Flo” on the control panel. Replace the flow switch if a “Solid Flo” error appears. Helps prevent issues related to clogged or faulty circulation pumps or dirty spa filters. Plug-and-play installation: Installation takes only a few minutes. Remove the old flow switch by unscrewing it, then install the new one—ensure correct flow direction during installation. Color: Blue + Black Material: Plastic Package Contents: 1 x Flow Switch Part Kit Note: Color appearance may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.