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6560-852 Flow Switch

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List Price: $71.79
Sale Price: $69.87
Item Number: SD6560-852
Manufacturer: Sundance® Spas
Manufacturer Part No: 6560-852
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Sundance® Spas Flow Switch 6560-852



  • Replaces the Harwil Q-12DS, Q-12DS50 with 1/2" threads

  • Rated at: 50 Watt Max. Resistive, 10 Watt Inductive (Coil) 120-240 VAC. 5-28 VDC 0.5A DC Switching. 2.5 DC Steady State

  • Does not come with cables

  • 3/4" slip x slip T with 1/2" threaded reducer for 1/2" threaded flow switch

  • Has standard spade terminals (2 spade terminals)

  • Can be removed out of the T fitting and installed in existing T fitting on your spa with ½" threads

Used On the Following Sundance® Spas Models:

  • All Sundance® Spas 800/850 Models using the 6500-301 Bypass Heater, up to 5/1999

  • 780 Dover, 2008-03/2017

  • Metro and Solo, 2007

  • Caprio, Metro and Solo, 2006

  • 780 Lagunas Models, 2005

  • 850E Series: Caprio, Metro, Solo

  • All Portofino Models, 2000-2004: Metro, Solo

Used On the Following Jacuzzi® Spas Models:

  • J-315, 2004+

  • J-325, 2004 and 2008+

  • J-310, 2002-2003


  • Click here for video instructions on replacing your flow switch

  • The connectors on the Flow Switch are attached to a PC Board connector that is located on the PC Board (usually at the top). There are other wires connected to this plug:

    • Jumper interlock wire, Flow Switch, High Limit sensor, and Temp sensor

    • Remove the pin connector from the board.

      • To remove a sensor or switch wire from the sensor harness connector, insert a paper clip into the slot corresponding with the wire to be removed. This will depress the pin tine, allowing the wire to be pulled from the harness connector.

  • Important! When reinstalling the sensor or switch wire back into the sensor harness connector, make sure the pin tine is lifted (approx. 1/32") prior to inserting the wire. This will ensure the sensor wire locks into the harness connector. Do not over bend the pin tine or it may break off.


  • A defective flow switch will cause a "Flashing Flo" or "Solid Flo" on the Control Panel Icon.

    • "Solid Flo" is the Flow Switch

    • "Flashing Flo" could be:

      • Flow Switch, Circulation Pump (clogged or defective), or Dirty Filter

More Information:

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