Sargent 11G24 T-Zone Grade 1 S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,074.00
$866.15
SGT-11G24

Sargent 11G24 T-Zone Grade 1 Single Cylinder Entry Lock with Modular Design

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Model: 28-11G24 LB 10
From the 11 Line Series Collection
$1,074.00
$866.15
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,074.00
$866.15
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Sargent T-Zone 11 Line Grade 1 Single Cylinder Entry Lock with Modular Design

Professional-Grade Cylindrical Lock with Advanced T-Zone Construction

The Sargent T-Zone 11 Line Series Grade 1 Single Cylinder Entry Lock delivers exceptional durability and flexibility for commercial applications. This ANSI/BHMA Grade 1 certified lock features modular design for easy field function changes, accommodates door thickness from 1-3/4" to 2-1/2", and integrates with multiple key systems including SARGENT Degree and Signature systems. Built with T-Zone construction and 68% post-consumer recycled content, this lock provides superior torque resistance and meets LEED MR credit 4 requirements.

Professional Features & Benefits

  • Exceptional Durability Testing: UL Cycle Above and Beyond test completed at 7.6 million cycles (Verification ID: V584148) for proven long-term reliability in high-traffic commercial environments.
  • Door Compatibility: Fits standard 161 door prep with door thickness range from 1-3/4" to 2-1/2" and non-handed installation for versatile applications.
  • T-Zone Construction: Advanced construction prevents lock twisting and eliminates through bolts or surface screws for superior torque resistance and installation reliability.
  • Grade 1 Performance: ANSI/BHMA A156.2 Series 4000 Grade 1 certification with 1/2" latchbolt throw and backset options from 2-3/4" to 5" maximum.
  • Modular Design Flexibility: Easy field function changes and integrates with SARGENT key systems including Degree and Signature, plus SFIC and Schlage and Medeco LFIC for maximum compatibility.
  • Comprehensive Certifications: UL-cUL Fire-Rated up to 3 hours, ADA compliant, NFPA 80 compliant, and multiple ASTM certifications for demanding commercial applications.
  • Sustainable Design: Made from 68% post-consumer recycled content meeting LEED MR credit 4 requirements with optional Microshield coating for healthier environments.
  • Manufacturer Warranty: 10-year limited warranty for added confidence and long-term protection.

Technical Specifications

  • Refer to manufacturer documentation for complete technical specifications.

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness from 1-3/4" to 2-1/2", standard 161 door prep, and non-handed installation compatibility.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces for proper T-Zone construction alignment.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for standard 161 prep.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications, ensuring T-Zone construction prevents twisting.
  5. Install cylinder component and configure for selected key system compatibility (SARGENT Degree, Signature, SFIC, or LFIC as applicable).
  6. Test device operation to verify proper function with 1/2" latchbolt throw 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

Why Choose Sargent Quality?

Sargent T-Zone 11 Line Series locks deliver professional-grade reliability with advanced T-Zone construction and independently-verified testing at 7.6 million cycles. The 10-year limited warranty and Grade 1 certification ensure dependable performance in demanding commercial applications. Engineered with 68% post-consumer recycled content and comprehensive certifications including UL Fire-Rating up to 3 hours, these locks provide sustainable, code-compliant solutions for professional facilities.

Product Specs

Series:
11 Line Series
Grade:
Grade 1
Keyed Function:
Single Cylinder
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Subcategory:
Bored Locksets
Keyed:
Yes
Commercial/Residential:
Commercial
Lock Type:
Cylindrical
Lock Function:
Entrance
Product Type:
Leversets
Duty Level:
Heavy Duty
Handle Type:
Lever
Product Attribute:
Cylindrical Locks
Product Function:
Entrance/Office
Door Hand Direction:
Non-Handed
Product Category:
Mechanical Locks
Collection:
11 Line Series
Department:
Door Hardware

Sargent 28-11G24 LB 10 – Frequently Asked Questions

1) Does the Sargent 11G24 need to be ordered by hand, left or right?
No handing to specify. The 11G24 is non-handed, so the same lock works on a left or right hand opening and a property manager can stock one part number for a whole building.
2) Can the Sargent 11G24 be keyed into an existing small format interchangeable core system?
Yes. The 11 Line accepts SARGENT Degree and Signature key systems, SFIC, and Schlage and Medeco LFIC, so it can be brought into an existing core program rather than run as a separate key system. Specify the cylinder type and keyway when you order.
3) Is the Sargent 11 Line 11G24 approved for a fire rated door?
Yes. The 11G24 is UL-cUL fire rated up to 3 hours and NFPA 80 compliant, and it is ADA compliant, which covers the lever operation requirement. Certification is on the lock itself, so the opening still has to be a listed fire door assembly with the correct frame, strike and closer.
4) What is a Grade 2 alternative to the Sargent 11G24 entry lock for a lower-traffic office door?
The Sargent 11G24 is an ANSI/BHMA Grade 1 cylindrical entrance lever lock. If the opening does not need Grade 1, the Falcon B511CP6D is a Grade 2 cylindrical lever lock with an Entrance/Office function and a medium duty level, and the Hager 2525 is a Grade 2 cylindrical entry lock with a lever handle for doors 1-3/8 inch to 2 inch thick. Both cover the same entry/office use at a lighter duty rating than the 11G24.
5) What other Grade 1 cylindrical entry-type lever locks compare to the Sargent 11G24?
The Sargent 11G24 is a Grade 1 keyed single cylinder cylindrical leverset. Within Grade 1 cylindrical lever locks, the Corbin Russwin CL3110 is a Grade 1 vandal resistant lever lock in passage/closet function for doors 1-3/4 inch to 2 inch, and the Dexter C1000 series offers Grade 1 classroom and classroom security keyed lever functions for 1-3/8 inch to 1-3/4 inch doors. The 11G24 differs in that it is the entrance function and accepts doors from 1-3/4 inch to 2-1/2 inch.
6) Which lock should I use instead of the Sargent 11G24 on a door that must stay locked at all times from the outside?
The 11G24 is the entrance/office function, where the outside lever can be left unlocked. For a door that must always require a key outside, look at a storeroom function instead: the Cal-Royal AG05 is a Grade 2 storeroom leverset with a deadlocking latchbolt for doors 1-3/8 inch to 1-3/4 inch, and the Hager 2580 is a Grade 2 storeroom cylindrical lock with the Withnell lever for doors 1-3/8 inch to 2 inch.
7) How does the entrance/office function on the Sargent 11G24 actually work day to day?
It is a single cylinder keyed entrance/office lock. The outside lever is locked or unlocked from the inside, and the key retracts the latch from the outside when locked. The inside lever always retracts the latch for free egress. That makes it the usual choice for tenant suite doors and private offices, not for a storeroom door where the outside must stay locked at all times.
8) Is the Sargent 11G24 heavy duty enough for a high traffic entrance?
It is ANSI/BHMA A156.2 Series 4000 Grade 1, the highest commercial grade, and Sargent ran it through UL's Above and Beyond cycle test to 7.6 million cycles. The T-Zone construction resists twisting without through bolts or surface screws, which is what usually loosens a lever on a busy opening.
9) What lever and rose styles are available on the Sargent 11 Line entry lock, and what finishes?
Four lever designs (B, J, L and P) and four roses: B and O at 2-3/4 inches, L at 3-1/8 inches, and E at 3-1/2 inches. Rose diameter matters if you are covering an old prep or scarring from previous hardware. Finishes run from 03 bright brass and 04 satin brass through 10B oil rubbed bronze, 26 bright chrome and 26D satin chrome, to BSP black and WSP white suede powder coat.
10) Is the Falcon K101 a substitute for the Sargent 11G24?
No. The Falcon K101 is a Grade 1 heavy duty cylindrical lock in passage function and is non-keyed, so it has no cylinder and cannot be locked. The Sargent 11G24 is keyed with a single cylinder for entrance service. The K101 is a match only where you need a free-swinging latch on a 1-3/8 inch to 2-1/4 inch door, not a locking entry point.
11) For a classroom door, what should I order instead of the Sargent 11G24?
The 11G24 is an entrance/office lock, which is not the classroom function. For classroom service, the Dexter C1000 Classroom is a Grade 1 clutching keyed cylindrical lever lock for doors 1-3/8 inch to 1-3/4 inch, and the Cal-Royal AG03 is a classroom lever with a 6-pin Schlage C keyway, keyed different, on a 2-3/4 inch backset. The 11G24 is also offered on a 2-3/4 inch backset if you are matching existing preps.
12) I need matching passage and dummy levers to go with Sargent 11G24 entry locks on the same suite. What Grade 1 non-keyed options are there?
For the non-locking doors in the same run, the BEST 9K Series 1DT is a Grade 1 heavy duty single dummy trim cylindrical lever, the Design Hardware X75 is a Grade 1 passage lever lockset with a flat lever for 1-3/4 inch doors, and the Falcon T101 is a Grade 1 heavy duty passage lever lock. The 11G24 itself is the keyed single cylinder entrance lock in the run and is non-handed.
13) Can I use a Cal-Royal AUS00 in place of a Sargent 11G24?
They share the entrance/office function, but the ratings differ. The Cal-Royal AUS00 is a Grade 3 lever lock with a solid brass forged body for doors 1-3/8 inch to 1-3/4 inch. The Sargent 11G24 is Grade 1 heavy duty and takes doors 1-3/4 inch to 2-1/2 inch. If your spec calls for Grade 1 or the door is thicker than 1-3/4 inch, the AUS00 will not cover it.
14) What is the difference between the Sargent 11G24 and a keypad leverset like the Lockey 1150 or Delaney LP250?
The Sargent 11G24 is a keyed mechanical cylindrical lock with a single cylinder, available in Sargent LA and other keyways plus SFIC and large format interchangeable core options. The Lockey 1150 is a mechanical keypad lever set with double combination in passage function for doors 1-1/8 inch to 2 inch, and the Delaney LP250 is a Grade 2 electronic keypad leverlock. Choose the 11G24 when the door has to key into an existing master key system rather than a code.
15) For an electrified opening tied to access control, what replaces the Sargent 11G24?
The 11G24 is a mechanical key-operated entrance lock with no electrical option. For an access-controlled door, the Corbin Russwin CL33903 is a Grade 1 fail safe electrified cylindrical lever lock at 12VAC/DC for doors 1-3/4 inch to 2 inch, available with a keyed cylinder as well. That covers the same door thickness the 11G24 starts at while adding remote release.
16) I need the same look on non-keyed doors as the Sargent 11G24 entry lock. What do I use for passage doors?
Pair keyed openings with non-keyed ones from the same family so the lever and rose match across the building. If you are mixing brands, Grade 1 passage options in the comparable range include the Corbin Russwin CL3110 (Grade 1, fire rated, 1-3/4 to 2 inch doors) and the Falcon K101 (Grade 1, heavy duty, 1-3/8 to 2-1/4 inch doors), but the lever profiles will not match Sargent's B, J, L or P levers.
17) Can the function of a Sargent 11 Line lock be changed in the field?
Yes. The 11 Line uses a modular design that allows field function changes, so a lock can be reconfigured on site instead of being replaced outright. Sargent publishes an all-functions installation instruction sheet and a parts manual for the line covering that work.
18) Does the Sargent 11G24 help with LEED credits on a project?
It is made with 68 percent post-consumer recycled content, which is what the description cites toward LEED MR credit 4. A Microshield coating is also offered as an option where a healthcare or food service owner wants it on the touched surfaces.
19) Is a Kwikset 200BRNL or Baldwin Estate 5103 an equivalent to the Sargent 11G24?
No. The Kwikset 200BRNL Breton is a Grade 3 passage lever for 1-3/8 to 1-3/4 inch doors and the Baldwin Estate 5103 is offered in passage, privacy and dummy functions. Neither is a keyed entrance lock. The Sargent 11G24 is a Grade 1 commercial single cylinder entrance leverset, so for a keyed exterior or tenant door in a commercial building those residential-function levers are not a swap.
20) If I want a knob instead of a lever for an entrance door, what compares to the Sargent 11G24?
The Sargent 11G24 is a lever handle lock, and the lever is offered in B, J, L and P styles. For a knob in the same entrance function, the Arrow HK11-BB is a turn-pushbutton entrance cylindrical lock with a ball knob and conventional cylinder for doors 1-3/8 inch to 1-3/4 inch. Note that lever operation is what makes the 11G24 ADA compliant per its description.
How fast can I get the Sargent 28-11G24 LB 10 delivered?
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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 28-11G24 LB 10 come with a warranty?
Absolutely. The Sargent 28-11G24 LB 10 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 28-11G24 LB 10?
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