Lockey Key Override System for...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$99.06
$69.85

Lockey Key Override System for 2000 and 2900 Series Locks with Schlage Keyway

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Model: KOS-AB
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$99.06
$69.85
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Lockey Key Override System for 2000 and 2900 Series Locks with Schlage Keyway

Professional Add-On Key Override Solution

The Lockey Key Override System (KOS) provides essential backup access for 2000 and 2900 series mechanical push button locks. This aluminum construction system features knob on exterior and thumb turn on interior operation with standard Schlage keyway compatibility. Designed for door thickness from 1-1/8" to 2" (up to 5" with Extension Kit), the system includes three keys and offers reversible handing for flexible installation.

Professional Features & Benefits

  • Universal Series Compatibility: Works with 2000 Series (2200, 2210, 2210DC, 2500, 2830, 2830DC, 2835, 2835DC) and 2900 Series (2900, 2900DC, 2930, 2930DC, 2950, 2950DC, 2985, 2985DC) locks for versatile installation options.
  • Compact Dimensions: 8-1/16" L x 2-1/2" W x 2" D design provides professional appearance without excessive bulk on door surface.
  • Adjustable Door Compatibility: Accommodates door thickness from 1-1/8" to 2" standard, expandable up to 5" with optional Extension Kit for various door types.
  • Durable Aluminum Construction: Weather-resistant aluminum material ensures reliable performance for both exterior and interior applications.
  • Standard Schlage Keyway: Compatible with existing Schlage key systems for simplified key management and security coordination.
  • Flexible Keying Options: Available keyed alike or keyed different to match specific security requirements and master key systems.
  • Reversible Handing Design: Field-reversible configuration allows adaptation to left-hand or right-hand door installations without additional hardware.
  • Manufacturer Warranty: Lifetime Mechanical Warranty provides long-term confidence and protection for commercial applications.

Technical Specifications

  • Backset (Distance): Adjustable
  • Commercial/Residential: Commercial
  • Department: Door Hardware
  • Door Thickness Range: 1-1/8" to 2"
  • Product Category: Parts and Accessories
  • Product Dimension: 8 1/16� L x 2 1/2� W x 2� D
  • Product Group: Parts and Accessories
  • Product Subgroup: Parts and Accessories
  • Product Substrate: Aluminum
  • Product Type: Key Override System
  • Subcategory: Mechanical Push Buttons

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Lockey Quality?

Lockey Key Override Systems deliver professional-grade reliability with weather-resistant aluminum construction and lifetime mechanical warranty coverage. Engineered for demanding commercial applications where dependable backup access and key system integration are essential. The comprehensive compatibility with multiple lock series ensures long-term flexibility for facility security management.

Manufacturer Resources

Product Specs

Subcategory:
Mechanical Push Buttons
Product Group:
Parts and Accessories
Product Subgroup:
Parts and Accessories
Product Type:
Key Override System
Commercial/Residential:
Commercial
Backset (Distance):
Adjustable
Door Thickness Range:
1-1/8" to 2"
Product Dimension:
8 1/16� L x 2 1/2� W x 2� D
Product Category:
Parts and Accessories
Product Substrate:
Aluminum
Department:
Door Hardware

Lockey KOS-AB – Frequently Asked Questions

How fast can I get the Lockey KOS-AB delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Lockey KOS-AB come with a warranty?
Absolutely. The Lockey KOS-AB is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Lockey KOS-AB?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Lockey KOS-AB from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.