2560-040 Flow Switch for , Hot Tub and Sweetwater Spas, Q-12DS-C2 Replacement Part-chengdu [] Designed to replace part number 2560-040 and Q12DS-C2, your flow switch is fully compatible with for Sweetwater, for , and for and hot tubs. [For ] 09/2020+ 680 Series / 03/2020+ 780 Series, 04/2017+ 780 / 10/2016+ 980 Series: , Claremont / 2016+ 880 Series: , , , Cameo, , , / 2013-03/2017 780 Montclair / 2011+ Series: Constance, Victoria / 2008-03/2017 780 Series: Camden, , Chelsee, , / , / 2007-2012 680 , Hawthorne Models / 2007 , Chelsee, , and Camden / 2005-2006, 780 , Bahia, . [For & Sweetwater Models] For 2015+ J-500 Series / 09/2015+ J-400 Series / 2016+ J-300 Convertible / 02/2020+ J-300 Models / 10/2020+ J-200/J-100 / 2002-2003 J-320, J-330, and J-340 / 2004+ J-335,J-345 / 2007+ J-355,J-365, J-375 / 2007+ J-230, J-270, and J-280 with Circulation Pump Option / 2002-2015 J-300 LED Series (With Curled Finger Connectors) / 2011+ JLX, ; For Sweetwater 2003-2004 for Sweetwater Models: Bahia, All 2003-2004 for Sweetwater Models [Technical Infromation] Replace Part Numbers: 2560-040, Q12DS-C2. 2560-040 Flow Switch comes molded with a 3/32 inch hole opening. Prior to February 2008 a 3/32inch hole had to be drilled for it to be installed on all 2002-2008 2 and 3 pump models. [Built to Last] High impact plastic housing, brass wire with insulationg rubber cable. Good conductivity, fast response, small hysteresis, high precision, and heat resistance, waterproof, wear . 0.85 inch hose connections and 0.4 inch freeze line connection. Clear plastic for easy viewing of any debris in switch. Directional labels affixed for ease of install. Displays error messages FLO2 and also a flashing message. Easy to use and save your charge. Warm Tips Cable has Curled Finger Connectors. Do not use on other models such as 800, 850, 800 Series that use a square finger connection! Color: As Shown Material: plastic Package Contents: 1 x 2560-040 Flow Switch 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.