Hayward SWG TCelll 9

Yes. Especially for an aqua rite. They burn out the thermistor on the board when salt kept above 3200 or so. Do you have a salt test kit?
 

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As long as the amperage is below 8.0 amps, it will be fine.

Get the K-1766 and compare it to the readout from the system.

If the salinity is over about 3,500 ppm, you should begin to work it down over time, but it's not urgent.

Is the system set correctly for the T-9?
 
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