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![Harwil Q8DS Flow Switch [1" MPT] [25A] [w/Drag Strip] (Q8DS/A/10502)](http://www.bathandspaparts.com/cdn/shop/files/26-578-1000_XL_large.jpg?v=1715147686)
Harwil Q12DS Cal Spa Flow Switch (Q12DS/CAL SPA)
$173.07 $138.46
![Harwil Goldline Flow Switch [Q12Ds-C2/Goldline-G1-068005E-2] (Q12DSC2GOLDLIN)](http://www.bathandspaparts.com/cdn/shop/files/Q12DSC2GOLDLIN_XL_large.jpg?v=1715147683)
Harwil Q10DS Dimension One Flow Switch (Q10-DS/DIMENSION 1)
$259.97 $192.15
![Harwil D1 Q10N Flow Switch [1" MPT] [0.5A] (1710-14)](http://www.bathandspaparts.com/cdn/shop/files/26-578-1005_XL_large.jpg?v=1715147681)
Harwil D1 Q10N Flow Switch [1" MPT] [0.5A] (1710-14)
$151.88 $121.50
![Harwil Q9DS to Q10N Flow Switch Kit [1-1/2"x1" Bushing] (Q10N/106911/LB/NO/2F)](http://www.bathandspaparts.com/cdn/shop/files/26-578-1010_XL_large.jpg?v=1715147676)
![Harwil Q12DS Flow Switch Kit [1/2" MPT] [2A] (Q12DS501.54SNO1K)](http://www.bathandspaparts.com/cdn/shop/files/26-578-1101_XL_large.jpg?v=1715147676)
Harwil Q12DS Flow Switch Kit [1/2" MPT] [2A] (Q12DS501.54SNO1K)
$140.58 $112.32
![Harwil Flow Switch [1/2"Thd] [Q12DS Kit] [Hubble Fitting & 1/2"Cplr] (Q12DS501.54SNO1)](http://www.bathandspaparts.com/cdn/shop/products/601011_large.jpg?v=1486186843)