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FAQs

What replaced the L583-333 interchangeable core cam screw?

Resolution: The L583-333 was replaced by the L583-200 in early 2000.:

What size hex key is required to install the set screw on the SL1 ligature lever?

Resolution: The set screw uses a 5/64" hex key.:

What size hex key required to install the screw on the SL1/SK1 thumbturn?

Resolution: The thumbturn set screw uses a 0.05" hex key.:

Is SL1 trim available for the LM9300 series lock?

Resolution: The anti-ligature SK1 & SL1 are not offered with LM9300. This is due to the fact the latches can create ligature points. :

What size pilot hole should be drilled when installing the L9000 mortise 09-509 rose thumbturn?

Resolution: Pilot holes can be drilled at 5/64".:

How does the Door Position Sensor operate with an L9000 lock?

Resolution: Door Position Sensor (DPS) detects the position of the door, open or closed, by utilizing a sensor in the mortise lock to detect a magnet located in the door strike. Normally open, normally closed,...:

Which EPT should be used on the L9000 electrified locks?

Resolution: Depending on your situation the EPT-2 (two wire) or EPT-10 (10 wire) will be used. A simple L9000 electrified lock with ONLY power wires can be used with the EPT-2. Any L9000 electrifie...:

What is a 1450-72ALT or the 4050A-72ALT alternate cover and are they still available?

Resolution: The 1450-72ALT and 4050(A)-72ALT both launched in 2017. See Marketing bulletin here.Please Note: In 2023 the 4050A-72ALT alternate cover was obsoleted and no longer available.The 1...:

On a 98/9927 surface vertical device, can dead locking feature on the top latch be removed so that it can be used with an electric strike?

Resolution: For this case, order part number: 98/9927/98/9957 Pullman Latch Kit Less Cover 050402.Please contact Von Duprin product support to review your specific application. 877-671-7011, O...:

Can the 33A series Concealed Vertical Rods (3347A) be used on wood doors?

Resolution: In most cases, the 9947WDC or 9950WDC devices would be used on solid wood doors.But, the 3347 or 3350WDC devices can be used on wood doors if desired.Contact Allegion product support if you would l...: