Sargent 11U15 T-Zone Grade 1 P...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$770.00
$403.27

Sargent 11U15 T-Zone Grade 1 Passage Cylindrical Lock with Modular Design

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Model: 28-11U15 LB 10BE
From the 11 Line Series Collection
$770.00
$403.27
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$770.00
$403.27
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Sargent T-Zone Grade 1 Passage Cylindrical Lock with Modular Design and 7.6 Million Cycle Rating

Professional Grade 1 Cylindrical Lock Solution

The Sargent T-Zone 11 Line Series Grade 1 Passage Cylindrical Lock delivers commercial-grade security with modular design flexibility. This non-keyed passage function lock features standard 161 door prep compatibility, fits door thickness from 1-3/4" to 2-1/2", and includes 2-3/4" standard backset with adjustability up to 5". UL cycle testing verified performance at 7.6 million cycles, while ANSI/BHMA A156.2 Series 4000 Grade 1 certification ensures professional reliability.

Professional Features & Benefits

  • Ultra-High Cycle Rating: Independently verified at 7.6 million cycles (Verification ID: V584148) for exceptional durability in high-traffic commercial applications.
  • Door Compatibility: Fits door thickness from 1-3/4" to 2-1/2" with standard 161 door prep for universal installation flexibility.
  • Adjustable Backset: 2-3/4" standard backset adjustable up to 5" maximum for various door configurations and retrofit applications.
  • Modular Field-Changeable Design: Easy function changes in the field with one lockbody supporting multiple functions, simplifying facility maintenance and reducing inventory requirements.
  • Universal Key System Integration: Accepts SARGENT key systems including Degree and Signature, plus SFIC and Schlage and Medeco LFIC for maximum compatibility.
  • T-Zone Torque-Resistant Construction: Prevents lock twisting and eliminates through bolts or surface screws for superior installation integrity and tamper resistance.
  • ANSI/BHMA Grade 1 Certification: ANSI/BHMA A156.2 Series 4000 Grade 1 rating ensures professional-grade performance and code compliance.
  • Fire Rating Compliance: UL-cUL Fire-Rated up to 3 hours with NFPA 80 compliance for critical fire safety applications.
  • Sustainable Construction: Made from 68% post-consumer recycled content meeting LEED MR credit 4 requirements for green building projects.
  • Manufacturer Warranty: 10-year limited warranty provides long-term protection and confidence in commercial installations.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness (1-3/4" to 2-1/2"), standard 161 prep, and backset requirements (2-3/4" standard, adjustable to 5" maximum).
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper alignment.
  3. Prepare door by drilling required holes per standard 161 preparation specifications and route as needed for latchbolt and strike installation.
  4. Install lockbody, latchbolt assembly, and T-Strike curved lip strike using manufacturer torque specifications for secure mounting.
  5. Adjust latchbolt throw (1/2") and operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
  6. Test device operation to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

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

Sustainable Design Features

The T-Zone 11 Line Series incorporates 68% post-consumer recycled content meeting LEED MR credit 4 requirements for sustainable building projects. The ultra-high 7.6 million cycle rating reduces lock replacements over facility lifetime, contributing to reduced waste and lower environmental impact while supporting green building initiatives.

Why Choose Sargent Quality?

Sargent T-Zone cylindrical locks deliver professional-grade reliability with independently verified 7.6 million cycle performance and Grade 1 ANSI/BHMA certification. The torque-resistant T-Zone construction and modular design provide exceptional durability for demanding commercial applications. 10-year limited warranty ensures long-term protection and confidence in high-traffic installations where dependable performance is essential.

Product Specs

Series:
11 Line Series
Grade:
Grade 1
Keyed Function:
Non-Keyed
ANSI/BHMA:
F75
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Knobs and Levers
Subcategory:
Bored Locks
Keyed:
No
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Lock Function:
Passage
Duty Level:
Heavy Duty
Handle Type:
Lever
Product Attribute:
Cylindrical Locks
Product Function:
Passage/Hall/Closet
Door Hand Direction:
Non-Handed
Product Category:
Mechanical Locks
Collection:
11 Line Series
Department:
Door Hardware

Sargent 28-11U15 LB 10BE – Frequently Asked Questions

How fast can I get the Sargent 28-11U15 LB 10BE 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 Sargent 28-11U15 LB 10BE come with a warranty?
Absolutely. The Sargent 28-11U15 LB 10BE 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 Sargent 28-11U15 LB 10BE?
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 Sargent 28-11U15 LB 10BE 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.