For Sundance Spas Model: Compatible with 09 or 2020and 680 Series, 03 or 2020and 780 Series, 04 or 2017and 780 Dover, 10 or 2016and 980 Claremont or Kingston, 2016and 880 Series. 09 or 2020and 680 Alicia, 09 or 2020-12 or 2020 680 Prado5 and Tacoma, 03 or 202003 or 2021 780 Hanover, 2019-03 or 2021 980 Lisbon or Odessa, 03 or 2018-03 or 2021 880 Cambria, 2011-2018 Select Series, 2013-703 or 2 780 Montclair, 2008-03 or 2017 780 Series, 2008and 780 Series, 2008-2012 680 Burlington Models Equipped with a circulation pump For Sweetwater and Jacuzzi Spas Models: Compatible with All 2003-2004 Sweetwater Models, and Jacuzzi 2015and J-500 Series, 09 or 2015and J-400 Series, 2016and J-300 Convertible Models, 02 or 2020and J-300 Models , 10 or 2020and J-200 or J-100 Models, 2002-2003 J-320, J-330, and J-340 Models, 2004and J-335, J-345, 2007and J-355, J-365 , J-375 Models, 2007and J-230, J-270, and J-280 Models with the Circulation Pump Option, 2002-2015, J-300 LED Series (With Curled Finger Connectors), 2011and JLX, JLXL models Spa Flow Switch Replacement Kit: This complete flow switch replacement kit is made of a high-impact surgical plastic housing, clear plastic for easy viewing of any debris in the switch. A defective flow Sensor will cause a "Flashing Flo" or "Solid Flo " on the Control Panel Icon, It is time to replace your old flow switch if you get a "Solid Flo" error. Save you from a clogged or defective circulation pump, or dirty spa filter. Plug and Play: When comes to installing this flow switch, it only takes a few minutes to finish. Simply unscrew the old flow switch and screw in the new one while paying attention to the flow direction of the switch when installed. Colour:BlueandBlack 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 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.