§ 159.65 - Chemical level indicator.

Latest version.

§ 159.65 Chemical level indicator.

The device must be equipped with one of the following:

(a) A means of indicating the amount in the device of any chemical that is necessary for its effective operation.

(b) A means of indicating when chemicals must be added for the proper continued operation of the device.

                    
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§ 159.65 - Chemical level indicator.

§ 159.65 Chemical level indicator.