The 230L trim cannot be used on doors thicker than 2-¼".
Von Duprin does not offer parts to accommodate 22 Series Devices and Trims for doors over 2 ¼" thick.
Consider using 98/99 or 33A/35A Series Devices for doors over 2 ¼" thick.
The specific Device and Trim combinations may have different maximum door thicknesses as mentioned in the price book.
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