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“ difference between ellx and qellx ”

Resolution: The RX monitors the push bar while the LX monitors the latch bolt of the exit device. A SS device has an LX and a key cylinder switch plus an emergency push bar signage.:

What is the difference between the standard lever inserts for the pre-2002 AL and the old D Lever?

Resolution: The old D-Series Lever used a standard lever insert similar to the pre-2002 AL-Series standard lever insert. The old D Lever insert was smaller than the AL and the two were not comp...:

What is the difference between Von Duprin 98/9947 and 98/9948 concealed vertical rod devices?

Resolution: They both use Template # 10320_c:

What is the difference between the Senior Swing 9540 and 9530 Series power operators?

Resolution: The 9542 is the single door operator that mounts on the "push side" of the opening with a REG arm. The 9531 is the single door operator that mounts on the "pull side" of the opening with a STD arm...:

What is the difference between LR and PL latches on Von Duprin 8827 exit devices?

Resolution: ES (electric strike) latch is only used with the 8827 less bottom rod on a non fire rated exit device with a 6111 electric strike.:

What is the difference between the 376T and the 360T trim when it is used with Von Duprin 33/3547A exit device?

Resolution: The 376T trim activates and connects to the 33/3547A top rod. The 360T activate and mounts to the 33/3547A center case.:

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“ difference between ellx and qellx ”

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