Codelocks CL5210BB

Back-to-Back Lock

Reviews (1) | Customer Questions (5)


Standalone electronic door locking system.

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  • Electronic keyless cylindrical latch lock – PVD finish
  • Includes Heavy Duty Grade 1 Latchbolt – Deadlocking Plunger for Added Security
  • Accepts 1 Master Code, 10 one-time User Codes, and 80 Users Codes
  • Key or master code can be used to set ‘code free mode’ – anyone can open door without code
  • Using the key will not set the lock to passage mode, as is the case with the E4000 mode
  • ADA certified
  • Fits left and right swinging doors
  • Fits doors 1 3/8″ to 2 3/4″ thick
  • Remote release, i.e. receptionist desk, and Emergency alarm release i.e, fire alarm, options included
  • Installs Easily – Instructions Included with Order
  • Full size lever handle entry and exit device
  • Lock body is wide enough to cover existing 2 1/8″ door holes
  • Piezo Power – Allows for 500,000 uses on 4AA batteries
  • Tamper alarm and low battery warning
  • 1.1 Million possible codes
  • Fits nearly all hinged doors
  • Key override – it comes standard key override (as shown in picture) or less IC core.  When you select less IC core, you will need to use your own small-format IC core, or you can purchase the Falcon brand at checkout


GoKeyless™ is an authorized Codelocks dealer. Sales, service, support, valid warranties. It's why thousands of clients around the world choose GoKeyless™ for their security and access control needs each year. Results guaranteed with this Grade 1, double-sided, electronic lock by Codelocks!  Modern European design, and robust enough to handle environments with lots of two-way door or gate traffic.  This multi-function dual-sided lock features key override, passage by code, and 1-Shot code.  Lifting up on the handles operates the latchbolt when the correct 4, 5, or 6 digit code is entered and the blue light burns.
Door Thickness Maximum

2 3/4 in.

Door Thickness Minimum

1 3/8 in.

Access Type

Key, Keypad – Digits

Lock Features

Double-Sided, Passage Mode, Temporary Codes

Code Capacity



Indoor ONLY

Door Opening


Locking Device

Cylindrical Latch

Handle Type

Lever Handle Door Locks






2 3/4 in., 2 3/8 in.

Key Override

Standard, Standard Key Override, Less IC core

Door Prep

Standard 2 1/8 in. Cross-Bore, Through-Bolt Hole(s)


Single Factor

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1 review

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What others are saying

  1. James from Florida

    Product is fine works well. It is not as shiny as shown in pictures. The people at go keyless are conscientious however they failed to deliver the correct parts on two separate occasions. This required me to have locksmith visit 3 times. They offered me a concession of 100.00 off my 500.00 purchase even though their mistakes cost me much more than that in locksmith visit fees and my own time value. I recommend being very careful to make sure all parts are correct before you schedule a locksmith to visit.

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Customer Questions & Answers

  1. Q Is it waterproof? answer now
    Asked by SM on January 29, 2021 3:50 PM

    This lock is not waterproof and is recommended for interior use only. 

  2. Q Do the numbers stay light all the time for night access? answer now
    Asked by Frank on June 4, 2018 2:59 PM
    A No, the numbers will only light up when the keypad is touched.
  3. A
    As long as your standard hole is 2 1/8" then yes, you will only need the additional small holes for mounting drilled. 
    As long as your standard hole is 2 1/8" then yes, you will only need the additional small holes for mounting drilled. 
  4. A

    No, this is not a deadbolt lock. This is a cylindrical lock which will latch every time the door is closed and will stay locked unless a passage code is entered at the keypad. It already comes with such a strike as this is a cylindrical latch. 

  5. A

    Yes the the lock will automatically lock behind you when you close the gate unfortunately though there are no letters on the number pad. Do not forget if you have a metal gate to add the metal gatebox at checkout. If you have a wood gate remember to add wood to the gate as necessary to meet the minimum thickness requirements of the lock. 

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