Description

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 50 and exterior doors to 40. Non-sized cylinder adjustable for interior doors to 46 and exterior doors to 36. 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.