The 4040SEH Sentronic is a holder designed to provide single point hold-open for fire and smoke barrier doors that must be used with a opposite side mounted UL listed door closer. The door is held open until current interruption releases the holding...

The 4040SEH Sentronic is a holder designed to provide single point hold-open for fire and smoke barrier doors that must be used with a opposite side mounted UL listed door closer. The door is held open until current interruption releases the holding...

The 4040SEH Sentronic is a holder designed to provide single point hold-open for fire and smoke barrier doors that must be used with a opposite side mounted UL listed door closer. The door is held open until current interruption releases the holding...

The 4040SEH Sentronic is a holder designed to provide single point hold-open for fire and smoke barrier doors that must be used with a opposite side mounted UL listed door closer. The door is held open until current interruption releases the holding...

LCN 4040SEH-3034 Track Roller. Quiet, low friction roller assembly.Shoulder dimension "X" = 1/4" (6 mm). Track Roller with Hold Option

The 4040SEH Sentronic is a holder designed to provide single point hold-open for fire and smoke barrier doors that must be used with a opposite side mounted UL listed door closer. The door is held open until current interruption releases the holding...

The 4040SEH Sentronic is a holder designed to provide single point hold-open for fire and smoke barrier doors that must be used with a opposite side mounted UL listed door closer. The door is held open until current interruption releases the holding...

The LCN 4040SE Sentronic door closer is a heavy duty, non-handed, non-sized door closer/holder that is perfectly designed to provide single point hold-open for fire and smoke barrier doors. The door is held open until current interruption releases the...

The LCN 4040SE Sentronic door closer is a heavy duty, non-handed, non-sized door closer/holder that is perfectly designed to provide single point hold-open for fire and smoke barrier doors. The door is held open until current interruption releases the...

The LCN 4040SE Sentronic door closer is a heavy duty, non-handed, non-sized door closer/holder that is perfectly designed to provide single point hold-open for fire and smoke barrier doors. The door is held open until current interruption releases the...

The LCN 4040SE Sentronic door closer is a heavy duty, non-handed, non-sized door closer/holder that is perfectly designed to provide single point hold-open for fire and smoke barrier doors. The door is held open until current interruption releases the...

The LCN 4040SE Sentronic door closer is a heavy duty, non-handed, non-sized door closer/holder that is perfectly designed to provide single point hold-open for fire and smoke barrier doors. The door is held open until current interruption releases the...