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American Standard Model 4021 Toilet Guide

There were 10 versions of the American Standard 4021.

Look in the tank To find the extra numbers after the model number.
Click on the number found in your tank.

4021.016

4021.378

4021.128

4021.416

4021.328

4021.456

4021.358

4021.500

4021.368

4021.513