Hot tub controller calibration

Old 11-09-21, 04:05 AM
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Hot tub controller calibration

I have a Tiger River Sumatran hot tub that is running on 220v. I had to replace the heater and heater relay board. Now the temperature on the controller shows 96 but the floating thermometer is 104. Is there anything I can do to adjust/calibrate the controller. It has the IQ2020. Thanks for the help.

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