Accentra 4721LN Grade 1 Commun...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$694.00
$538.68
Accentra 4721LN Grade 1 Communicating Double Cylinder Lever Lock with Augusta Trim Design

Accentra 4721LN Grade 1 Communicating Double Cylinder Lever Lock with Augusta Trim Design

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Model: YAL-AU-4721LN-626
From the 4700 Series Collection
Selected Finish is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$694.00
$538.68
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Accentra 4721LN Grade 1 Communicating Double Cylinder Lever Lock with Augusta Trim Design

Professional-Grade Cylindrical Lock for Commercial Applications

The Accentra 4721LN delivers Grade 1 performance with communicating double cylinder functionality and elegant Augusta lever design. This heavy-duty cylindrical lock features adjustable door thickness from 1-3/8" to 1-3/4", 2-3/4" standard backset, and 1/2" stainless steel latchbolt throw for reliable commercial operation. ANSI/BHMA Grade 1 certified and UL fire-rated up to 3 hours, ensuring code compliance and dependable security performance.

Professional Features & Benefits

  • ANSI/BHMA: A156.2, Series 4000 Grade 1
  • UL-cUL: UL-cUL fire-rated up to 3 hours
  • Windstorm: 4700LN Certified (refer to local codes)
  • Mechanism: Heavy-gauge steel, die-cast, zinc-plated, chromated
  • Backset: 2-3/4" standard
  • Latchbolt: 1/2" stainless steel throw standard
  • Guardbolt: Deadlocks latchbolt when door is closed; standard on all locking functions
  • Door Thickness: 4700LN adjustable from 1-3/8" to 1-3/4". 4700 adjustable from 1-3/4" to 2"
  • Fronts: 2-1/4" x 1-1/8" beveled standard; flat fronts available to order
  • Cylinders: Brass, 6-pin, keyed-random cylinder with two keys furnished standard, 7-pin not available.
  • Reversibility: Non-handed
  • Strikes: ANSI strike 4-7/8" x 1-1/4" x 1-1/4" lip to center supplied standard. Optional T-strike available to order for 4700LN.
  • Finishes: 4700LN available in 7 finishes, 4700 available in satin stainless steel (630) only.
  • Warranty: 5-year mechanical

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
  3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
  4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
  5. Adjust 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

Why Choose Accentra Quality?

Accentra 4700 Series lever locks deliver professional-grade reliability with heavy-gauge steel construction and Grade 1 certification for demanding commercial applications. Backed by a comprehensive 5-year mechanical warranty and UL fire-rating up to 3 hours, these locks provide the dependable performance and code compliance essential for commercial security installations.

Product Specs

Series:
4700 Series
Subcategory:
Cylindrical
Keyed Function:
Double Cylinder
Grade:
Grade 1
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Leversets
Keyed:
Yes
Commercial/Residential:
Commercial
Handle Type:
Lever
Lock Function:
Communicating
Product Attribute:
Cylindrical Locks
Product Model:
YAL-4721LN
Collection:
4700 Series
Product Function:
Communicating
Lever Design Name:
Augusta Lever
Product Category:
Mechanical Locks
Department:
Door Hardware

Accentra YAL-AU-4721LN-626 – Frequently Asked Questions

1) What does the communicating function on the Accentra 4721LN actually do on a connecting door?
The 4721LN is a double cylinder communicating lock, so there is a keyed cylinder on both sides of the door and no free egress by turning the lever when it is locked. Either key retracts the latch. It is the lock you use between two adjoining rooms, like connecting hotel or patient rooms, where both sides need key control. Because it locks both directions, it should not go on any door in a required means of egress.
2) Will the Accentra 4721LN fit a 1-3/4 inch commercial door?
Yes. The 4700LN trim is adjustable from 1-3/8 to 1-3/4 inches, which covers the standard 1-3/4 inch commercial door and the older 1-3/8 inch interior door. If your door runs thicker, from 1-3/4 up to 2 inches, that is the 4700 (non-LN) version instead, and that one only comes in satin stainless steel 630.
3) Will the 4721LN latch into the strike already in my frame?
It ships with an ANSI strike, 4-7/8 x 1-1/4 inches with a 1-1/4 inch lip to center, and a 1/2 inch stainless steel latchbolt throw. If your frame is already prepped for a standard ANSI 4-7/8 inch strike, it drops in. For frames cut for a smaller T-strike, an optional T-strike is available to order on the 4700LN.
4) What backset does the 4721LN use, and will it work in a door already bored for a lever lock?
Standard backset is 2-3/4 inches, which is the usual commercial bore. Front is a 2-1/4 x 1-1/8 inch beveled front as standard, with flat fronts available to order. If your existing door is bored at 2-3/8 inch backset, this will not line up.
5) What cylinders and keys come with the 4721LN, and can I get it in 7-pin?
Each lock comes with brass 6-pin keyed-random cylinders and two keys furnished as standard. Since it is a double cylinder communicating function, there is a cylinder on each side. Seven-pin is not offered on the 4700 Series, so if your building is on a 7-pin master system this lock will not key into it.
6) My doors are thicker than 1-3/4 inches. Which Grade 1 lever lock should I look at instead?
The 4700LN trim tops out at 1-3/4 inches, so it is the wrong part for a thicker leaf. For 1-3/4 to 2 inch doors, the Corbin Russwin CL3100 Series (CL3110 passage) and the CL33900 Series electrified levers are built for that range. The Falcon K101 Grade 1 passage covers 1-3/8 all the way to 2-1/4 inches.
7) Can I use an Emtek or Baldwin lever in place of the Accentra 4721LN on a fire rated commercial door?
No. The 4721LN is a commercial Grade 1 cylindrical lock, UL-cUL fire rated up to 3 hours. The Baldwin Estate 5103 is offered in passage, privacy and half dummy functions, and the Emtek Classic Cortina and Arts and Crafts levers are dummy pairs - decorative trim with no latching or keyed function at all. Those are residential and decorative products and none of them provide the communicating double cylinder operation the 4721LN does.
8) What is the closest Grade 1 cylindrical lever lock to the Accentra 4721LN if I need a keyed function on a thicker door?
The Accentra 4721LN is a Grade 1 cylindrical lever lock that adjusts for 1-3/8 inch to 1-3/4 inch doors in its LN trim. For a thicker leaf, the Corbin Russwin CL33903 is a Grade 1 cylindrical lever lock rated for 1-3/4 inch to 2 inch doors, though it is an electrified fail safe lever rather than a mechanical communicating lock. The Dexter C1000 Asylum is another Grade 1 cylindrical lock covering 1-3/8 inch to 2 inch, which spans both ranges in one product.
9) I do not need keyed cylinders on both sides - what Grade 1 lever lock should I use for a plain latching door instead of the Accentra 4721LN?
The 4721LN is a communicating double cylinder function, keyed from both sides of the opening. If the door only needs to latch with no locking at all, the Falcon K101 is a Grade 1 non-handed passage cylindrical lock covering 1-3/8 inch to 2-1/4 inch doors and fire rated, and the Dexter C1000 passage is a Grade 1 clutching passage lever for 1-3/8 inch to 1-3/4 inch doors. Both are non-keyed, so they take no cylinder and no keying order.
10) Is a storeroom or classroom lever an acceptable substitute for the Accentra 4721LN communicating lock?
They are different openings. The 4721LN is a communicating function with a cylinder on each side, so either side can lock or release the latch - typical of a door between two tenant or patient spaces. A storeroom lever such as the Cal-Royal AG05, a Grade 2 storeroom lockset with a deadlocking latchbolt, or the Hager 2580 Grade 2 storeroom lever for 1-3/8 inch to 2 inch doors keeps the outside trim locked at all times with free egress inside. A classroom function like the Dexter C1000 classroom, a Grade 1 clutching keyed lever for 1-3/8 inch to 1-3/4 inch doors, is keyed outside only. Choose those when only one side needs key control.
11) Do I have to specify handing when I order the Accentra 4721LN?
No. The 4700LN is non-handed and reversible, so one lock covers left and right hand openings. Handing does not need to be called out on the order.
12) Does the 4721LN latch stay deadlocked when the door is shut?
Yes. A guardbolt deadlocks the latchbolt whenever the door is closed, which blocks credit-carding the latch. That guardbolt is standard on all locking functions in the 4700 Series, and the mechanism itself is heavy gauge steel, die cast, zinc plated and chromated.
13) I need a Grade 1 lever lock but not a double cylinder communicating function. What else is there?
The 4721LN is specifically the communicating, key-both-sides function. For other Grade 1 cylindrical lever functions, ZenSupply carries the Dexter C1000 Series in classroom, classroom security and passage (1-3/8 to 1-3/4 inch doors, matching this lock's range), the Corbin Russwin CL3110 vandal resistant passage, and the Falcon K101 Grade 1 passage, which takes 1-3/8 to 2-1/4 inch doors if you have thicker leaves.
14) What is a lighter duty lever lock to use with the Accentra 4721LN on lower traffic doors in the same building?
The 4721LN carries an ANSI/BHMA A156.2 Series 4000 Grade 1 rating for heavy commercial traffic. Where the traffic does not justify Grade 1, the Falcon B511CP6D is a Grade 2 medium duty entry/office cylindrical lever and the Hager 2525 is a Grade 2 commercial entry lever for 1-3/8 inch to 2 inch doors. For non-keyed openings in the same run, the Falcon B101 is a Grade 2 medium duty non-handed passage lever.
15) I want keyless entry instead of the Accentra 4721LN double cylinder - what are my options?
The 4721LN uses brass 6-pin keyed cylinders on both sides with two keys furnished. If you would rather not issue keys, the Lockey 2835DC is a double combination mechanical keyless lever lock with passage function for 1 3/16 inch to 2 inch doors, and the Lockey 1150 is a heavy duty mechanical keypad lever set for 1-1/8 inch to 2 inch doors. The Delaney LP250 is a Grade 2 electronic keypad leverlock. These are code operated rather than key operated, so they will not fit an existing master key system.
16) What Grade 1 lever should I pair with the Accentra 4721LN on an inactive or closet leaf?
The 4721LN is a keyed communicating lever lock on the 4700 Series. For the inactive leaf of a pair or a closet that needs matching trim without a latch, the BEST 9K Series 1DT is a Grade 1 heavy duty single dummy trim cylindrical lever lock; the BEST 7KC Series 1DT is the Grade 2 medium duty equivalent. For a closet that still needs to latch, the Corbin Russwin CL3110 is a Grade 1 vandal resistant passage/closet lever, fire rated, for 1-3/4 inch to 2 inch doors.
17) The Accentra 4721LN uses a 2-3/4 inch backset - what if my doors are prepped 2-3/8 inch?
The 4721LN comes with a 2-3/4 inch standard backset. If the existing bore is on a 2-3/8 inch backset, the Cal-Royal AG00 is a Grade 2 entrance lever with a 2-3/8 inch backset and a 6-pin Schlage C keyway for 1-3/8 inch to 1-3/4 inch doors. If you are staying at 2-3/4 inch but want a different function, the Cal-Royal AG03 classroom lever on the AG Series is supplied at 2-3/4 inch backset.
18) How does the Accentra 4721LN compare to a knob lock for an institutional door?
The 4721LN uses the Augusta lever, which gives a lever pull rather than a knob. The Arrow MK33-BD-CS is a heavy duty Grade 2 asylum function cylindrical lock with a ball knob and a conventional Schlage C keyway cylinder, and the Arrow HK11 is an entrance function cylindrical lock with a ball knob for 1-3/8 inch to 1-3/4 inch doors. Knob trim is generally not accepted where accessible lever operation is required, so confirm the opening before substituting.
19) If I want a privacy lock instead of the Accentra 4721LN for a restroom or patient room, what should I order?
The 4721LN is keyed on both sides as a communicating lock, which is more than a restroom needs. For privacy, the Arrow MK02-TA is a privacy function cylindrical lock with Tudor knob, non-keyed and fire rated, and the Hager 2540 is a Grade 2 privacy cylindrical lock with the Withnell lever for 1-3/8 inch to 2 inch doors. Privacy sets use an inside turn with emergency release rather than cylinders.
20) What finishes does the Accentra 4721LN Augusta lever come in?
Eight choices: 605 bright brass, 606 satin brass, 612 satin bronze, 613E dark oxidized satin bronze equivalent, 625 bright chrome, 626 satin chrome, plus black suede and white suede powder coat. Satin chrome 626 is the usual pick when you are matching existing commercial openings. All carry the Augusta lever trim design.
How fast can I get the Accentra YAL-AU-4721LN-626 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 Accentra YAL-AU-4721LN-626 come with a warranty?
Absolutely. The Accentra YAL-AU-4721LN-626 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 Accentra YAL-AU-4721LN-626?
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 Accentra YAL-AU-4721LN-626 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.
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