Description
ptical Sensor & Thermistor that gives Water & Prime errors on SpaNET and Vortex spa XS series control systems. This is a common point for leaks. Often due to low pH or other water issues. ER-2, ER-3, ER-6.
XS Series: (round plug)
Suits XS-2000 | XS-3000 | XS-4000 Optical Sensor and Thermistor Assembly. Comes with Round plug.
These items cannot be returned once fitted. We recommend replacing entire heater where these have leaked.
xs2000, xs3000, xs4000
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