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:

• Glass bobbin for Chlorines and Acids

• Stainless Steel bobbin for soaps and waxes (high viscose fluids)

Flow Indicator

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