Trademarkdoor Logo

402.896.9333

The LiftMaster 3800 RJO

 

 

This is top of the line. This operator mounts on the side of the door turning the torsion spring shaft above the door. This eliminates possibility of damaging the top section of the garage door by pulling and pushing it like the standard trolley operators.

LiftMaster 3800 Brochure