wat is fs

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Yes, stainless steel doors and frames are available. Door Construction: LS-Series: Visible edge seams Door construction similar to the L-Series LSW-Series: Seamless with we...
This is not possible as an EL device is an electric latch retraction and requires power to unlock the door thus only available in Fail Secure.
The E996L is only shipped FS fail safe from the factory but can be converted to FSE fail secure.  To convert the 996L to E996L (fail safe or fail secure) follow step 1 of the attached installa...
The sliders are different between the 6211 and 6211WF.  The FS slider part number for the 6211 is 970388 and for the 6211WF is 970387.
To convert the Von Duprin 6000 series electric strikes from FS to FSE  or from FSE to FS follow these steps: Remove the electric strike face plate. Remove the strike box cover pl...
Part numbers: FS slider, part # 970387 (6211WF/6212WF/6221/6223 only) FS slider, part # 970388 (Except 6211WF/6212WF/6221/6223) FSE slider, part # 970388 (6211WF/6212WF/6221/6223 only) FSE sl...