Usage Tips: Compatible with Sundance Spas models including: 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), and 680 Burlington models equipped with a circulation pump. Compatible with Sweetwater & Jacuzzi Spas models including: 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 models (2002–2003), J-335/J-345 models (2004 and newer), J-355/J-365/J-375 models (2007 and newer), J-230/J-270/J-280 models with circulation pump option (2007 and newer), J-300 LED Series with curled finger connectors (2002–2015), and JLX/JLXL models (2011 and newer). Spa Flow Switch Replacement Kit: This complete flow switch replacement kit features high-impact surgical-grade plastic housing and clear plastic for easy visual inspection of debris. A faulty flow sensor may display “Flashing Flo” or “Solid Flo” on the control panel. Replace the flow switch if a “Solid Flo” error appears to help 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. 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 is ±1–3 cm.