What you need to consider when choosing the proper size UltraSeal
- The drain pipe must be on the inside of your closet flange.
- The size of your drain pipe:
- 3" drain pipe measures between 2.84" and 3.09" inside dimension (ID) - Use a 3" UltraSeal
- 4" drain pipe measures between 3.84" and 4.09" inside dimension (ID) - Use a 4" UltraSeal
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| 3" closet flange: I.D. 2.84"-3.09" |
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| 4" closet flange: I.D. 3.84"-4.09" |
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| 3" UltraSeal |
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| 4" UltraSeal |
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