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FAQs

What is changing inside the Von Duprin 22 model to allow for QEL/HD-QEL feature?

Resolution: The mechanism case was made to "stop" the pushbar travel on the old model 22. This "stopping" action was accomplished with an internal "seam" in the mechanism case. This "seam" does NOT...:

Can the LCN 6440XP compact Auto be used with Motion Sensor, such as the 8310-854 (obsolete) or the 8310-875?

Resolution: No, this is not a recommended application.:

What is the detection range of the 8310-813 touchless actuator?

Resolution: Detection zone is 4-24". See here for complete installation instructions.:

Do Schlage and Falcon use the same split key construction key extractor tool?

Resolution: Schlage and Falcon utilize different types of half-key construction keying. Schlage utilizes Split Key (CK) construction keying with an extractor tool part number 35-057 - picture.&n...:

How Can I Have Free Ingress From Pull Side With Chexit?

Resolution: For 98/9975 Mortise devices: Because the mortise lock is decoupled from the pushpad blocking mechanism , L/NL trim will allow free ingress while the latch while the Chexit ...:

Do Falcon mullions have strike prep?

Resolution: Other than the RM mullions, Falcon mullions are shipped blank with no strike prep.:

Are the standoffs replaceable on the PS900 series power supplies?

Resolution: The standoffs or mounting posts for mounting circuit boards are a very tight press fit. They should not loosen. If the standoffs have loosened or are missing, they can not be put back i...:

What do the letters and numbers mean in a Falcon lock part number?

Resolution: Falcon Series locks are available with a number of functions, cylinder options, lever/knob styles, latch, strike and finish options. The Falcon Locks Catalog can be helpful in determining what opti...:

Is there a M52 lock?

Resolution: For Schlage, M52 is a lever style. The M52 style levers are available on the Schlage L9000 series mortise and the Schlage LT series tubular lock. :

When was the Falcon M series mortise discontinued?

Resolution: The Falcon M series mortise was discontinued in April of 2010 and was replaced by the Falcon MA series mortise. There is no catalog available for the discontinued Falcon M series, however, th...: