cylider type for mullion

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Side Light and Side Panel frames - Side Light and Side Panel frames are not KD (Knock Down), they must be assembled and welded. All side lite and side panel frames must be assembled and welde...
The KR4023 mullion requires a 1-1/4" mortise cylinder with straight cam. This is stated in box 7 on the first page of the KR4023 mullion instructions.
EL98/99-4 ft rim device required minimum of 35.2" with 5/8" stop height door opening on single door and 35.56" with 4954/9954 mullion.
Bottom mounting fitting on 9954 is taller than 4954. The taller bottom fitting is required for a fire rated application.