User questions

Question
Answer
  • How can the Von Duprin 98/9975-L with 996L classroom trim function be converted as a night latch function in field?
  • Can a 712L or 912L be converted to L-NL in the field?
  • Can you convert the 510 L trim to an L-NL (storeroom) function?
  • How does the Von Duprin 98/99 rim or vertical rod exit device with lever trim convert from L to L-NL function?
  • How do I change the function of the Von Duprin 7500 mortise lock from Lever ( classroom ) to NL ( night latch )?
  • Can an 18-R-L be converted to L-NL function in the field?
  • What power supply is used to operate the Von Duprin E 996 L trim?
  • Will a Medeco key-in-lever cylinder fit into an ND lock?
  • What BHMA grade is the Schlage ND Series?
  • What backsets are available on Schlage and Falcon locks?
  • Schlage ND Series
  • Is there a latch spacer or reinforcement for the ND lock?
  • Does the PD listed with lock model number mean anything?
  • Does Von Duprin offer a classroom security option with visual status indication?
  • What type of core will a lock with the cylinder suffix "J" accept?
  • What does the cylinder suffix BDC mean?
  • Will Schlage locks with a BD suffix accept a best SFIC core?
  • I get three green blinks of the Schlage key and it says motor stall on my SUS/HHD during diagnostics?
  • How to adjust a 4010 hold open arm?
  • Why won't the friction hold open arm on my closer stay adjusted?
  • How do I set the hold open on my 4040 closer?
  • What regular arm closers mounted on the pullside can be held at 180 degrees?
  • When did the 4111 Cush arms become non-handed?
  • What are the 1460 closer arm options?
  • What is the part # for the 4040 HCush arm?
  • What is the part # for the 4040 regular arm?
  • How do you order a 4110 hold open spring cush arm only?
  • Can you replace a regular arm with a hold open with out moving the door closer?
  • Can you install a Schlage S lever on an AL lock?
  • Did the AL series SFIC lever inserts change?
  • What is the part number for the lever insert on an AL lock manufactured before May 2002?
  • Can the AL locks be ordered to accept Corbin Russwin core?
  • Will an AL lever fit onto an A-series lock?
  • Are Schlage AL series products handed?
  • What is the AL Jupiter lever return to the door?
  • What is the difference between the standard lever inserts for the pre-2002 AL and the old D Lever?
  • The Von Duprin 98 or 99 ALK kit will not sound the horn
  • Why would an exit alarm ALK go into alarm and shut off after about 10 seconds?
  • What could cause the Von Duprin exit alarm ALK to turn off after one or two minutes?
  • Can the Von Duprin exit alarm ALK and electric latch retraction QEL or EL device be in the same device?
  • What power supply replaces the Von Duprin 9VDC PS9 power supply?
  • Can the Von Duprin ALK exit alarm be ordered with hex dogging option on?
  • If using the alarm kit-ALK with the 99 device what power supply is needed?
  • Why is the Von Duprin exit alarm ALK going into alarm on it's own?
  • Is the Von Duprin Guard-X exit device fire rated?
  • Is the 3130 Series closer Fire Rated?
  • What are High Definition door panels?
  • Are Steelcraft doors and/or frames fire rated?
  • What fire rated Dutch Door sizes are available?
  • AUXILIARY FIRE LATCH
  • What is a Smart Card?
  • What are the differences between ISO 14443 and ISO 15693 smart card technologies?
  • Smart Cards
  • Are all Smart Cards contactless?
  • How long will the battery back up work for on the PS914-900BBK?