Sdc EHRA4A Adjustable Extension Rod Chrome 4 Inch

Product Description

The SDC - SECURITY DOOR CONTROLS EHRA4A is a 4-inch adjustable extension rod finished in chrome, designed for use with door closer hardware systems. Extension rods are mechanical components that connect the door closer arm to the door or frame, extending the reach of the closer arm when standard-length arms are insufficient for the application. The adjustable design accommodates varying door and frame configurations. This part is typically installed by commercial door hardware technicians, locksmiths, or security system professionals during door closer installation or replacement service.

The EHRA4A is suited for commercial and institutional door closer installations where the standard arm length does not span the required distance between the closer body and the door surface or frame. It is commonly used on aluminum storefront doors, hollow metal frames, and other commercial door assemblies where an extended reach is needed to achieve proper door closing geometry and swing control. The chrome finish provides a clean appearance on doors in visible public areas.

Key Features

• Adjustable length design accommodates varying door and frame gap dimensions
• 4-inch extension provides added reach for doors where standard arm length is insufficient
• Chrome finish suited for exposed hardware applications in commercial settings
• Sold individually as a single unit for targeted replacement or new installation
• Categorized for use with door closer and holder hardware systems

Compatibility

Designed as an OEM-style extension rod accessory for commercial door closer arm assemblies where additional reach is required. Consult the SDC product manual or the door closer manufacturer specifications to confirm fitment before installation.

Installation Notes

Installation of door closer extension rods is typically performed by a licensed commercial door hardware technician or locksmith familiar with door closer arm geometry and swing requirements. Before servicing or replacing any door closer component, ensure the door is propped open and the closer is relieved of spring tension to prevent injury. Verify thread compatibility and torque connection points to manufacturer specifications using the appropriate hand tools. Local building codes, including accessibility requirements under applicable standards, may govern door closer closing force and speed settings after installation.