Flow Switch - 2 Barb Assembly


Price $158.99
(You save $62.45 )
Flow Switch - 2 Barb Assembly
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Harwil flow switch assembly for hot tubs, has a clear plastic housing with a 3/4" barb hose connector on each end. Compatible replacement for Sundance and Jacuzzi P/N 6540-857. Wire ends have box end connectors without plug.



  • Brand Harwil
  • Style Q-12DS-C2*
  • Clear tee with 3/4" barbed hose connections
  • Box end connectors on wire (No Plug)


The arrow on the side of the switch shows the direction of flow and which way the unit must be positioned.


This product has the code Q-12DS-C2 on the label, this same code is used on varying models within a series of flow switches all with differing parameters or sizes, always check the probe length and the connector type to confirm compatibility.

90 limited warranty

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