【Wide Compatibility】This hot tub flow switch 2560-040 is compatible with many popular spa and hot tub systems that use standard 3/4" barbed connectors.Note: Not suitable for 800/850 or 800 Series models with square connectors.Replaces part numbers 6560-857, 6560-858, SD2560-040, Q12DS-C2, Q12DSC2-SUN860 — please verify your existing part before purchase. 【Fix FL1 & FL2 Error Codes】Designed to accurately monitor water flow, this spa flow switch replacement helps clear FL1 and FL2 errors caused by low flow or blockages.It ensures proper water circulation so your spa heater and pump can operate smoothly again. 【Transparent Connector Design】Upgraded with clear barbed finger connectors and a 2-pin plug, the Q12DS-C2 flow switch allows easy visual inspection.You can quickly check if water is flowing or if debris is present, making maintenance simple and efficient. 【Transparent Connector Design】Upgraded with clear barbed finger connectors and a 2-pin plug, the Q12DS-C2 flow switch allows easy visual inspection.You can quickly check if water is flowing or if debris is present, making maintenance simple and efficient. 【Friendly Support & Easy Installation】Each flow switch undergoes strict factory testing to ensure quality and performance.If you need installation guidance or compatibility assistance, our support team will respond within 24 hours to help you get your spa running again quickly.

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, 03/202003/2021 780 Hanover, 2019-03/2021 980 Lisbon/Odessa, 03/2018-03/2021 880 Cambria, 2011-2018 Select Series, 2013-703/2 780 Montclair, 2008-03/2017 780 Series, 2008+ 780 Series, 2008-2012 680 Burlington Models Equipped with a circulation pump, 2007-2012 680 Hartford and Hawthorne Models Equipped with a circulation and seel pump, Hutch, 2007 Camden, 2005-2006 780 Series Palermo, Bahia, and Cayman Models.

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

Does not use on models such as 800,850, 800 series that use a square finger connection.

Replaces part number 6560-857, SD2560-040, Q12DS-C2, 6560-858, Q12DSC2-SUN860