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User questions
- Why is the Von Duprin PS873 power supply buzzing or chattering?
- How do you adjust the hold open time on a 4600 (4630/4640) operator?
- What are Hold Open Closers & Magnets?
- How do I wire an EL device to normally hold open the latch and release it during a fire alarm?
- What would cause a 4040SE not to hold the door open?
- What degrees of opening can a 4110 EDA be templated for?
- Can a magnet, or sentronic device, be released and close the door from a button at a desk?
- What would cause a 4111 HEDA to not hold open?
- What is the maximum number of glass bead kits that can be stacked?
- What is the maximum door thickness a Rim cylinder can fit on?
- What is the maximum door thickness a Rim cylinder can fit on?
- What BHMA grade is the Schlage ND Series?
- Warranty information on Allegion Commercial products.
- What is the difference between an RX switch and an RX-LC (low current) switch?
- What is the ANSI recommendation for the distance between the actuator and the door opening?
- What are Electro-hydraulic Automatic Operators?
- 620-Series Pushbuttons - Force or Push Strength
- Do Von Duprin Exit devices meet the 5 pound force requirement for opening an ADA handicapped door opening?
- What is the minimum clear opening width required by ADA on a single door?