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The LCN Door Closer 4021 is also known as the Smoothee.  The 4021 ships with regular arm, standard plastic cover, and self reaming and tapping screws.  The 4021 is considered an application specific closer.  Meaning you have to specify left and right swing door, and can only be mounted top jamb.  A top jamb mount is when the closer is mounted on the top rail of the door frame and the arms hangs down and attaches to the door.  Top Jamb door closers are also mounted on the pull side of the door.  The Non sized cylinder will work on just about any size interior or exterior door and meets ADA requirements.  We ship the 4021 REG.

The LCN Door Closer 4021 FL is shipped with fusible link arm, standard plastic cover, and self reaming and tapping screws. This closer is designed to hold open fire doors, when the fusible link melts, it releases the hold open arm, so the door will close.  Sized cylinders for interior doors to 5’0” and exterior doors to 4’0”. Non-sized cylinder adjustable for interior doors to 4’6” and exterior doors to 3’6”. Included arm has a fusible link that melts at 120 degrees, allowing to door to close. Door can be closed any time with a gentle pull.  Closer mounts top jamb (push side), specify right or left swinging door. 4021 cylinder meets ADA requirements. 

The LCN Concealed Door Closer 3031 is mortised into the top of the door.  Standard 3030 series closer shipped with regular arm and wood and machine screw pack. Sized cylinders for interior doors to 4’0”.  Handed for right or left swinging doors.  Closers to meet ADA requirements.