Whisper 30-60 Manual 0 I just want to make sure that I have the filters in right, the water flow exiting would pass thru the drop-in filter in this order, white-carbon-blue and the bio sponge being last.

Buzzing is usually a voltage issue. This means there may be low voltage in your neighborhood.

That is common when temps are extreme and everyone's heat is really cranking it out. If the filter is plugged into a power strip with surge protection, that usually eliminates the noise. Another possibility could be build up, sludge, hard water deposits, other debris on the impeller or in the motor.

Taking it apart and cleaning it may resolve the issue. Somerset maugham. The last possible cause would be an improperly balanced impeller. If you take it apart and give it a good cleaning with white vinegar, and have a good power strip, and it still buzzes, call our Care Team at 1-800-526-0650.

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