Description
The Yale 400-3B 689 is a top jamb door closer arm assembly designed for commercial applications requiring reliable hold-open functionality. This aluminum arm fits Yale 3000 and 4400 series closers, serving facilities managers and contractors who need dependable automatic door control in high-traffic environments.
This JL arm assembly is compatible with Yale commercial door closers and installs at the top jamb position. As an authorized Yale dealer, E.D. Locks provides expert product selection and support. Contact our team at sales@edlocks.com or 1-877-207-6067 for compatibility verification and installation guidance specific to your door setup.
Specifications
- Model: 400-3B 689
- Arm Type: JL Top Jamb Assembly
- Function: Hold Open
- Compatible Series: 3000, 4400
- Material: Aluminum
- Size: 51
