Mortice Bathroom Lock - 102mm (4 Inch) Deep - Polished Brass (Lacquered)

Catalogue Number:
Full Description
Product Name Price Qty
20178.1 - Mortice Bathroom Lock - 102mm Case Depth (83mm Backset) - Polished Brass
£67.50 £56.25

Per Each
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  • 102mm (4 inches) deep case makes this look ideal for use with mortice door knobs.
  • Privacy lock for use on bathroom doors, toilets and WC doors.
  • For use on doors that require door handles and need to be locked via a thumb-turn and release system.
  • Must be used in conjunction with some form of door handle.
  • Comes supplied with a polished brass forend and frame mounted strike plate.


  • Latch is withdrawn via a lever handle from either side of the door (handles sold separately).
  • Deadbolt can be locked and un-locked via a bathroom thumb-turn and release system (sold separately).
  • This lock can be released from the outside in case of an emergency when used in conjunction with a turn and release.
  • Only a quarter turn is required on the thumb-turn to lock and un-lock the dead bolt.


  • Solid brass deadbolt and latch.
  • Medium weight spring strength ideal for use with sprung lever furniture.
  • Bolt through facility for bolt together fixing lever handles and accessories at 38mm centres.
  • 8mm x 8mm spindle follower (to suit standard UK size door handles).
  • 5mm x 5mm thumb-turn spindle follower (to suit standard UK size turn and release systems).
  • Reversible strike plate.


Security Level 

  • Medium security.
  • Suitable for use on internal doors in residential properties.
  • Privacy lock.


  • Polished brass - (shiny finish ideal for matching with polished brass products).


Alternative Finishes Available

  • Satin chrome.


  • Available in one size only
  • 102mm case depth (83mm backset).

dimensions of the Union 2226 - bathroom mortice lock

Item CodeLock Case Depth (A)Backset To Keyhole (B)
20178.1 102mm 83mm
  • Lever handle follower - 8mm x 8mm.
  • Dead bolt follower - 5mm x 5mm.

Rebate Kit For Double Rebated Doors

  • 40830.1 - 13mm polished brass rebate kit for use with mortice lock.

Unit Of Sale

  • Each - (1 x lock case supplied with forend, strike plate).
More Information
Item 20178
Item Code 20178
Finish Polished Brass (Lacquered)
Dimensions 102mm Case Depth (4 Inches)
Sold Per Each
Availability Stock item - please allow 1-3 days for delivery
Stock item - please allow 1-3 days for delivery
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