clunking noise from Iron Curtain
Posted by tooth doc on April 02, 19101 at 00:38:04:
We have an Iron Curtain in our home that does a great job.. There is no staining or bad smell. However, when a toilet is flushed and a large volume of water is passing through the Iron Curtain, we hear a loud clunking, tapping noise coming from the unit. Not sure if it is a check valve or what. Water pressure is great and no other abnormalities. Any suggestions would be appreciated.

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