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Texas Yankee
January 9th 04, 02:43 PM
I have two Emperor 400s on my tank - one is nearly silent - the other has a
rattling sound - I've already tried changing the impellor - in addition to a
thorough cleaning, making sure the manifold is seated properly in the filter
body, and making sure that the filter media is seated properly, is there
anything else that I should look for to eliminate the noise? The filter is
about three years old. Thanks.