Upgrade option when buying a truck door aka Positive Stop Assembly
This is installed onto the panel when the door is opened it is engaged and will keep the door open above the header so there is no hang down of the door.
The door will stay open above the header to eliminated the door being damaged.
Upgrade Kit for models CSW24V CSW24VH CSW24VDC CSL24V CSL24VH and CSL24VDC UL325 Approved Gate Operators; manufactured 2012 to 2015.
Complete kit includes: Main Control Board Expansion Board LiftMaster® Monitored Retro-Reflective Photoelectric Sensor Kit UL Upgrade label and Adapter Harness (used with CSW24V CSL24V and CSL24VH only)