Rhythmic rising and falling of the ball
indicates positive flow.
Air bubbles indicate chemical has exhausted.
Stationary ball indicates no flow.
Possible problems could be:
-
lost prime
-
stopped motor
-
plugged injection fitting
-
faulty tube or diaphragm
-
plugged or dirty
footvalve filter
-
chemical has been
exhausted for a lengthy period of time
Blue-White recommends using:
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