Lockwood 3742 Short Backset Mortice Deadlock Cylinder Turn No Cylinder (Timber) - Satin Chrome
The Lockwood 3742 Short Backset Mortice Deadlock Cylinder Turn No Cylinder is designed for timber doors requiring a compact mortice locking solution with flexible cylinder selection. This model is supplied without a cylinder, allowing it to be matched to project-specific keying systems.
It features a positive action swing bolt that securely engages into a strike when locked, providing reliable deadlocking performance in both sliding and hinged door applications.
Part of the Lockwood Synergy mortice lock range, this model is commonly used in commercial environments where adaptability and durability are required.
Usually ships in 10 business days
Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Short backset mortice deadlock for timber doors
- Cylinder turn configuration supplied without cylinder
- Positive action swing bolt locking mechanism
- Reversible handing for flexible installation
- Suitable for sliding and hinged doors
- Part of Lockwood Synergy mortice lock range
Suitable Uses
- Timber narrow stile doors
- Commercial office environments
- Projects requiring custom cylinder selection
- Sliding and hinged door applications
- Retrofit and new installations
Full Specifications
Frequently Asked Questions
Does this include a cylinder?
No, this model is supplied without a cylinder.
Is handing reversible?
Yes, the lock can be configured for left or right hand doors.
What is a common installation mistake?
Incorrect cylinder selection or misaligned strike installation.
Additional Information
- Allows flexible cylinder selection for master key systems.
- Commonly used in Australian commercial timber doors.
- Short backset suits narrow stile installations.
- Ensure compatibility of cylinder before installation.
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Electrical and electronic components: 2 years (excluding batteries)
Lockwood Synergy Mortice Locks Catalogue
Lockwood Synergy Mortice Locks Catalogue
Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants): typically up to 2 years against corrosion.
- Unlacquered brass finishes naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.
