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what is concealed vertical rod
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What is the difference between Von Duprin 98/9947 and 98/9948 concealed vertical rod devices?
Resolution:
They both use Template # 10320_c:
Can I use an AD or CO - 993 Exit Trim with a Von Duprin 98/99 Concealed Vertical Rod exit device on a wood door?
Resolution:
The AD or CO - 993 is NOT compatible with a Von Duprin 98/99 Concealed Vertical Rod exit device on wood doors.: