0800 432 0722

Price Promise

Free Delivery

Rated Excellent

Union C-series 3G135 - 5 Detainer Deadlock (73mm, Satin Chrome, Keyed Alike)

Union C-series 3G135 - 5 Detainer Deadlock (73mm, Satin Chrome, Keyed Alike)
Zoom
£196.66
Build your own unique set of keyed alike mortice locks. Add as many door locks as you like and they'll all work from the same key.
View Full Specification
  • Multiple locks are keyed alike at no extra cost.
  • Locked by Key on either side.
  • Supplied with 2 keys per order.
  • Also available keyed to differ.
  • Special key profile which is only available from Union.
  • Previously by Chubb Locks.
  • Keyhole is 44mm backset from forend.
  • 73mm deep case.
  • 14mm bolt projection.
MPN: 3G135-73-KA

Popular in Keyed Alike Mortice Locks ...

View all Keyed Alike Mortice Locks »
Details
A 73mm
B 44mm
C 122mm
D 178mm
E 25mm
Dimensions
Case Depth 73mm
Backset 44mm
Case Height 122mm
Forend Length 178mm
Forend Width 25mm
Show Imperial »
Lock
Manufacturer Part Number
3G135-73-KA
Mortice Type
Deadlock
Lock Mechanism
5 Detainer
Key Differs
74,000
Bolt Projection
14mm
Backset (keyhole)
44mm
Colour
Satin Chrome
Features
Insurance Approved*
No
Handed
Left, Right
Rebated
View options
Keyed Alike
Yes
In The Box
Lock Case
Yes
Strike Plate
Yes
Keys
3
Escutcheons
Yes
Accessories

Add at Checkout

Thumbnail of Asec Spare Key

Spare Key

Keys are of course included, but we can cut you a spare.
Please allow 4 additional days for delivery.
£7.20
Delivery

Select during checkout


Filter by
Popular Delivery Options  
Next / Named Day Delivery to your front door on a day of your choice
Mon-Fri
8am - 6pm
FREE
Mon-Fri
8am - 6pm
FREE
Scottish Highlands Delivery Includes doorstep drop off deliveries to the following Highlands post codes, no steps: AB30-38, AB44-56, FK17-99, G83, IV1-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH18-26, PH30-41, PH49-50
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Isle of Wight Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Isle of Man Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Isles of Scilly Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Scottish Islands Delivery Includes doorstep drop off deliveries to the following Scottish Island post codes, no steps: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Northern Ireland Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Guernsey Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Jersey Delivery Our standard doorstep drop off service, no steps
Mon-Fri
7 Days
8am - 6pm
FREE
Mon-Fri
7 Days
8am - 6pm
FREE
Tail Lift Delivery Options
Indoor Delivery Options
Delivery & Install Options
Read more about delivery on our Delivery & Installation Guide and FAQ
All prices shown are inc. VAT.
Returns

Returns

Replacements
If you are not completely satisfied with your purchase, simply complete our returns form within 14 days of receiving your order. Goods must be returned within 30 days of the delivery date, in their original condition and packaging.
More information about returns
FAQs

FAQs

There are currently no Q&As about this product. Want to ask one?

» Ask New Question

All questions are answered by our own expert advisors.
Help & Advice

Useful Videos

How to fit a Mortice Deadlock How to replace a Mortice Deadlock

Related Blog Articles

Get in Touch

Chat to an Expert online
Call an Expert 0800 432 0722.

We're here Mon-Fri, 9am-5pm.


Pay Later

Pay in 30 Days

Get your goods before you pay with Pay in 30 Days by Klarna. Sit back and relax and let Klarna notify you when payment is due. More information

Rep. APR (variable) 0%
Pay Now £0.00
Pay 9th Jan £196.66
Total Payable £196.66

Pay in 3

Spread the cost of your purchase into 3 interest-free instalments. The first payment is made at point of purchase, with remaining instalments scheduled automatically every 30 days. More information

Now £65.55
9th Jan £65.55
8th Feb £65.56

Klarna Financing

Spread the cost of your purchase into 6, 12, 24 or 36 interest-free monthly instalments. Select the Klarna Pay Over Time payment method. More information

Choose Instalments

Pay Per Month

£{{value.toFixed(2)}}

Rep. APR (variable) 0%
Pay Now: £{{payNowCalc.toFixed(2)}}
Number of Instalments: {{selectedInstallments}}
Total Payment Amount: £{{ totalPayable }}

The Safe Shop Ltd. is authorised and regulated by the Financial Conduct Authority (FCA FRN 915388) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Financial Services UK Limited.

Please note that the following products are not regulated by the FCA: Pay in 30 days and Pay in 3 instalments. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit.

Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply.

The Safe Shop Ltd., 1 Strand Street West, Preston, Lancashire PR2 2NS

Keyed Alike

Keying Options

Keyed to Differ or Keyed Alike locks?

As standard the Union C-series 3G135 - 5 Detainer Deadlock (73mm, Satin Chrome, Keyed Alike) is supplied keyed alike which means that a single set of keys can operate multiple locks. If you require single locks, you can choose keyed to differ locks that operate using a unique set of keys that only open a single lock.

What is Keyed Alike?

  • Each key can open multiple locks - the same key could unlock your house and office.
  • Locks need to be the same brand and number of levers.
  • Keyed Alike locks include one set of keys regardless of how many locks are purchased.
  • Made to order so NOT covered by our returns policy.

What is Keyed to Differ?

  • Keyed to Differ is the standard way a lock is supplied.
  • Each lock is opened by its own unique key.
  • Each lock includes a unique set of keys.
  • Covered by our returns policy.
  • It is possible to order this lock Keyed to Differ here

SafeZone blog Follow [safe] on YouTube Pinterest Follow [safe] on X Follow [safe] on Instagram Follow [safe] on Threads
We take Visa, Visa Debit, Visa Electron, MasterCard, Maestro, AMEX and PayPal We take Visa, Visa Debit, Visa Electron, MasterCard, Maestro, AMEX and Paypal
Trustpilot