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When the valve reaches the Back Wash position. The screen will display:
When Back Wash remaining time reaches zero or any button is pressed, the valve will ad-
vance to the next position. The screen will display:
When the valve reaches the Brine position. The screen will display:
When Brining remaining time reaches zero or any button is pressed, the valve will advance
to the Rinse position and then the Refill position just like the examples above.