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FAQs

How to remove or install the ND40 or ND44 outside lever.

Resolution: Open the door to access both sides of the lock.Push inside buttonOn the outside leverND40 – Insert flat tip screwdriver into privacy openingND44 - Turn the emergency turn-buttonRotate clo...:

Why is my manual door closer making a swooshing sound when the door is cycled?

Resolution: With closers being hydraulic in nature and fluid being pushed thru the cylinder and ports you will always have some level of noise and this can be amplified by the type of door the unit is on. ...:

What is needed to convert a Von Duprin 98/9975 exit device to a 98/9975-2 double cylinder exit device?

Resolution: WHEN CONVERTING FROM STANDARD TO DOUBLE CYLINDER 98/9975 PANIC OR FIRE DEVICE, IT IS BEST TO REPLACE THE COMPLETE DEVICE. IF PARTS ONLY ARE ORDERED, THE CENTER CASE COVER WILL SHIP WITH NO UL PANI...:

Are the 90027 latches the same as the current 98/9927?

Resolution: The 98/9927 latches made today can be used on the old 90027, however the cover plate does not have the correct rounded hole to accommodate the round rod of the older device.:

Where can I find technical information on the anti-microbial coating?

Resolution: Schlage's anti-microbial finish is supplied from IFS Coatings Inc. The anti-microbial coating is a clear coat (or white coat) finish that has silver ions added. IFS AM coatings Tech...:

When did LCN come out with the one piece track roller?

Resolution: April 2nd, 2018.For Marketing Bulletin see here.:

What material is the FS18 floor stop?

Resolution: It is a black Melt Processable Rubber (MPR) product. Characteristics include:RoHS CompliantChemical ResistantEco-Friendly/GreenFast Molding CycleHeat ResistantInformation accurate as of J...:

Is there any Allegion concealed door closer tested to meet the Florida Building Codes Product approvals?

Resolution: Allegion does not include door closers in the Florida Building Code product approvals. Introducing a concealed closer into the assembly would change the structural integrity of the door or fr...:

Can the Von Duprin and Schlage PS900 series power supply be used with 277 volt input?

Resolution: No, the PS900 series power supplies are not tested or rated to operate with input voltage of 277 volts which is sometimes used for commercial lighting systems. 240 volts is the maximum input.:

Is the AD300 compatible with the VD9857, a combination of surface vertical rod and rim device?

Resolution: If that is the three point latching, we are not able to recommend the AD trim as compatible with those.: