Level Bolt C-D11U Invisible Re...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$201.28
Level Level Bolt C-D11U Invisible Retrofit Smart Door Lock C-D11U

Level Bolt C-D11U Invisible Retrofit Smart Door Lock

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Model: C-D11U

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

$201.28
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MAKE YOUR LOCK SMART

Level Bolt is the only way to invisibly transform your existing deadbolt. Make your lock smart and maintain the design integrity of your home.

Standard features

  • Door thickness: American standard deadbolt, 1-3/4" to 2"
  • Backset: 2-3/8” (60mm) and 2-3/4” (70mm)
  • Borehole: 2-1/8” diameter
  • Included Strike Plate: 2-3/4” by 1-1/8”
  • Power: 1 CR2 Lithium Battery
  • Battery: 1 year
  • Audio: Chimes
  • Wireless: Bluetooth
  • Operating Temperature: -20 to 60 C
  • Languages: English#Warranty: 2 year limited
  • Requirements: Compatible iOS or Android device
  • Works with: Alexa, Ring, & HomeKit*

 

Attention to details

Level Bolt’s quality craftsmanship and design demonstrate a level of detail not found in any other lock. The battery is creatively hidden inside the bolt to make the occasional battery change simple.

 

Security you can trust

Crafted from 440C Stainless Steel and strengthened metal alloys, you’ll feel protected with every lock.

 

Built to last

Level’s own 6-stage stainless steel gearbox allows the bolt to lock and unlock under the toughest conditions for a whole year on a single battery.

Manufacturer Resources

Product Specs

Power:
Battery Operated
Warranty:
2 Year Limited
Wireless Communication:
Yes
Cross Bore:
2-1/8"
Product Group:
Mechanical Locks
Product Subgroup:
Bored Locksets
Product Type:
Deadbolts
Subcategory:
Proximity Deadbolts
Commercial/Residential:
Residential
Electronic:
Yes
Battery Operated:
Yes
Batteries:
1 CR2 Lithium Battery
Product Attribute:
Electronic Locks
Reader Type:
Proximity
Backset (Distance):
2-3/8 or 2-3/4
Product Category:
Electronic Locks
Department:
Door Hardware

Level C-D11U – Frequently Asked Questions

1) Will the Level Bolt C-D11U fit my existing deadbolt prep, or do I have to re-drill the door?
The Level Bolt drops into a standard American deadbolt prep: 2-1/8 inch cross bore, and either a 2-3/8 or 2-3/4 inch backset. Door thickness range is 1-3/4 to 2 inches. If your existing deadbolt already sits in that prep, and most residential entry doors do, the bolt assembly swaps in without new boring. A 2-3/4 by 1-1/8 inch strike plate is included.
2) Can I keep my existing deadbolt trim and keyway if I install a Level Bolt?
Yes, that is the whole point of the Level Bolt. It replaces only the bolt mechanism inside the door edge, so your existing exterior cylinder and interior thumbturn stay in place and your keys keep working. Nothing shows on either face of the door once it is installed.
3) Is the Level Bolt smart deadbolt rated for a commercial opening or an apartment entry door?
The Level Bolt C-D11U is a residential-duty product. For a commercial or multi-family opening that needs graded hardware, look at a Grade 1 deadbolt like the Design Hardware D1 Series or the Accentra D111, or for electronic access on multi-housing doors the Dormakaba Nova-D RFID deadbolt or the Saffire LX-D. Those are built for the traffic and specification requirements the Level Bolt is not intended for.
4) My door is 1-3/8 inches thick. Will the Level Bolt work?
No. The Level Bolt covers 1-3/4 to 2 inch doors only. On a 1-3/8 inch door you need a conventional deadbolt with a wider thickness range, such as the Dexter DB2000 Series (1-3/8 to 1-3/4 inch) or the Deltana 7312KA2 (1-3/8 to 2 inch).
5) What is the difference between the Level Bolt C-D11U and a keypad electronic deadbolt like the Delaney KP400?
The Level Bolt C-D11U replaces only the bolt inside the door, keeping the existing exterior and interior trim, and it runs on Bluetooth from a phone with one CR2 lithium battery. The Delaney KP400 is a Grade 2 electronic deadbolt with a programmable remote, so it puts a visible electronic escutcheon on the door face. Choose the Level Bolt when the existing hardware appearance has to stay unchanged, and the KP400 when a code-entry face on the door is wanted.
6) What should I use instead of the Level Bolt C-D11U on a commercial or multifamily opening that needs credentials rather than a phone?
The Level Bolt C-D11U is a residential deadbolt that reads by proximity over Bluetooth. For an opening that needs RFID credentials, the Dormakaba Saffire LX-D is an RFID electronic deadbolt with BLE and electronic lock override, and the Dormakaba Nova-D is an RFID multihousing smart electronic deadbolt. Both are built around issuing cards to occupants rather than pairing a personal phone.
7) The Level Bolt C-D11U is for a 1-3/4 to 2 inch door. What deadbolt covers a thinner door?
The Level Bolt C-D11U is specified for American standard deadbolt doors 1-3/4 to 2 inches thick. For thinner stock, the Cal-Royal ED500 is a Grade 3 single cylinder deadbolt with adjustable backset covering 1-3/8 to 1-3/4 inch doors, and the Accentra D111 is a Grade 1 cylinder by thumbturn deadbolt over the same 1-3/8 to 1-3/4 inch range. The Deltana 7312KA2 is a Grade 3 double cylinder deadbolt spanning 1-3/8 to 2 inches.
8) Does the Level Bolt C-D11U meet a Grade 1 requirement on a commercial door?
The Level Bolt C-D11U is a residential deadbolt. Where a specification calls for a Grade 1 deadbolt, the Corbin Russwin DL3011 is a Grade 1 cylindrical deadlock for 1-3/4 to 2-1/4 inch doors, the Design Hardware D1 Series is a Grade 1 extra heavy duty double cylinder deadbolt for 1-3/4 inch doors, and the Falcon D111 is a Grade 1 heavy duty classroom deadbolt with adjustable backset.
9) I need an electronic deadbolt on a door with a fire rating requirement. Is the Level Bolt C-D11U the right pick?
The Level Bolt C-D11U is a residential Bluetooth deadbolt. For a fire rated opening, the Hager 3115 is a Grade 2 cylinder by thumbturn deadbolt with a Schlage C keyway and a fire rating for 1-3/8 to 1-3/4 inch doors, the Hager 3118 is the Grade 1 classroom deadbolt with a 6-pin cylinder over the same range, and the Cal-Royal CRB800 is a Grade 1 heavy duty single cylinder deadbolt with a UL 3-hour fire rated latch.
10) What battery does the Level Bolt take and how often does it need changing?
One CR2 lithium cell, rated for about a year of service. Level hides the battery inside the bolt body itself, so a change means pulling the bolt rather than opening a cover plate on the interior face. Worth knowing if you are managing several doors and want to batch the swaps.
11) Does the Level Bolt need Wi-Fi or a hub to work?
Connection is Bluetooth, from a compatible iOS or Android phone. It works with Alexa, Ring and HomeKit. There is no keypad and no reader on the outside of the door, so phone access plus your existing key are the two ways in.
12) Should I buy an invisible smart bolt or a keypad electronic deadbolt?
It comes down to whether anyone needs to get in without a phone or a key. The Level Bolt hides entirely inside the door and adds no exterior hardware, so the door looks untouched, but access is Bluetooth or key. If you need codes at the door for cleaners, tenants or trades, a keypad or credential unit is the better call: the Delaney KP400 electronic deadbolt with programmable remote, or a credential reader like the Dormakaba Saffire LX-D.
13) I have double cylinder deadbolts on my glass-panel doors. Can I convert those with a Level Bolt?
No. The Level Bolt drives the bolt from inside the door and relies on the interior side being free to turn, so a double cylinder application is not what it retrofits. If you need key operation on both faces, stay with a double cylinder deadbolt such as the Dexter DB1000 Series (Grade 1, 1-3/8 to 1-7/8 inch doors) or the Callan 210S.
14) If I do not need smart control, what standard deadbolt covers the same 2-3/8 or 2-3/4 backset opening as the Level Bolt C-D11U?
The Level Bolt C-D11U fits a 2-3/8 or 2-3/4 inch backset with a 2-1/8 inch cross bore. For a mechanical replacement in the same prep, the Dexter DB2000-SCT is a Grade 2 single cylinder deadbolt for 1-3/8 to 1-3/4 inch doors, and the Dexter DB1000-SCT is the Grade 1 single cylinder version for 1-3/8 to 1-7/8 inch doors. Both are cylinder by thumbturn, so they are keyed outside and turned by hand inside.
15) Can I use a Codelocks CL2200 in place of the Level Bolt C-D11U?
They mount differently. The Level Bolt C-D11U installs inside a standard 2-1/8 inch cross bore with a 2-3/8 or 2-3/4 inch backset. The Codelocks CL2200 is a medium duty electronic surface deadbolt in brushed steel, and the CL2210 is an electronic mortise deadbolt. A surface or mortise unit is not a drop-in for an existing bored deadbolt prep, so the door preparation decides which one applies.
16) Is the DynaLock 1300 an alternative to the Level Bolt C-D11U for access control?
No, they solve different problems. The Level Bolt C-D11U is a battery powered Bluetooth deadbolt using one CR2 lithium battery, so the door needs no wiring. The DynaLock 1300 Series is a heavy duty mortise electric deadbolt, which is a wired device driven by an access control system rather than a phone or a thumbturn user.
17) I want to keep the same exterior keyed cylinder look across a set of doors but only make one smart. What matches the Level Bolt C-D11U?
The Level Bolt C-D11U keeps the existing deadbolt trim in place, so the other doors can carry any standard cylinder by thumbturn deadbolt and still look alike. Bravura offers the 310B Elite in a traditional round trim, the 310RC Elite in a contemporary round trim, and the 310SC Elite in a contemporary square trim, all Grade 2 cylinder by thumbturn, so the trim shape can be matched to the existing doors.
18) What if the door has no interior thumbturn allowed and I was considering the Level Bolt C-D11U?
The Level Bolt C-D11U works behind an existing deadbolt with its normal interior turn. Where an interior turn is not acceptable, the Callan 210S is a Grade 3 double cylinder deadbolt and the Hager 3214 is a Grade 2 double cylinder deadbolt with a Schlage C keyway for 1-3/8 to 1-3/4 inch doors, both keyed on both sides. Verify the local egress code before specifying a double cylinder on an exit door.
19) Which deadbolt takes a small format interchangeable core instead of a Bluetooth setup like the Level Bolt C-D11U?
The Level Bolt C-D11U is opened from a paired phone over Bluetooth rather than a keyed core. For a facility that keys everything to one system, the Arrow E61 26D IC is a Grade 2 single cylinder deadlock with SFIC prep, supplied less core, for 1-3/8 to 1-3/4 inch doors, and the Deltana CL200LAIC is a Grade 2 single cylinder deadbolt prepped for an interchangeable core with a 2-3/4 inch backset.
20) I have a European style door with a mortise case. Can the Level Bolt C-D11U retrofit it?
The Level Bolt C-D11U is built for an American standard bored deadbolt with a 2-1/8 inch cross bore and a 2-3/8 or 2-3/4 inch backset. A mortise case is a different preparation. The Emtek 2050 is a European mortise deadbolt with an integrated roller latch in a square trim and the Emtek 2051 is the round trim version, both cylinder by thumbturn.
21) Can the Level Bolt be installed on an exterior door in a cold climate?
Operating range runs from -20 to 60 C, which covers most North American exterior entry conditions. The bolt is 440C stainless steel with reinforced metal alloys, and the drive is a 6-stage stainless gearbox.
22) Does the Level Bolt give any feedback when it locks, or do I have to check the app?
There is an audible chime on operation, so you hear the bolt confirm rather than having to open the phone. Status is also visible in the app over Bluetooth.
23) How many Level Bolt models are there, and which one do I order?
One configuration: model C-D11U. There are no finish or backset variants to pick, because the visible hardware stays yours and the bolt adjusts between the 2-3/8 and 2-3/4 inch backsets.
24) Is a Baldwin Reserve deadbolt spacer a substitute for the Level Bolt C-D11U?
No. The Level Bolt C-D11U is a complete retrofit bolt assembly that fits a 2-1/8 inch cross bore and carries its own CR2 lithium battery. The Baldwin Reserve 8BR0618001 is a deadbolt spacer for a double cylinder application, and the BEST 8T is a T Series tubular deadbolt tube component. Those are parts that go into or alongside a lock, not a lock a door can be finished with.
25) The opening needs more than one locking point. Does the Level Bolt C-D11U cover that?
The Level Bolt C-D11U drives a single standard deadbolt in a 2-1/8 inch cross bore. For an opening that calls for multiple locking points, the Detex DX Series is a hinge side locking deadbolt with multi-point security, which secures the hinge edge in addition to the lock edge.
How fast can I get the Level C-D11U 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 Level C-D11U come with a warranty?
Absolutely. The Level C-D11U 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 Level C-D11U?
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 Level C-D11U 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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