LCN Door Closer 4021 FL

In stock
1 Week Lead Time
Part #
4020FL
As low as $442.75

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. 

right hand left hand diagram

Door Closer Stop Colors

LCN Door Closer 4021 FL is available to buy in increments of 1

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. 

LCN 4020 Series Catalog

Installation Instructions

Parts Break Down

Fusible Link Arm Instructions

More Information
Part # 4020FL
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 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. 

LCN 4020 Series Catalog

Installation Instructions

Parts Break Down

Fusible Link Arm Instructions

Short 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 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. 

right hand left hand diagram

Door Closer Stop Colors

Availability 1 Week Lead Time
Manufacturer LCN Door Closer
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LCN Door Closer 4021 FL