Lockwood 3742 Short Backset Mortice Deadlock No Cylinder (Timber) - Satin Chrome
The Lockwood 3742 Short Backset Mortice Deadlock No Cylinder is a compact locking solution designed for timber doors where a reduced backset is required. This version is supplied without a cylinder, allowing flexibility to match specific keying systems.
It incorporates a positive action swing bolt that engages securely into a strike when locked, delivering dependable deadlocking performance for both sliding and hinged door applications.
Part of the Lockwood Synergy mortice lock range, this model is widely specified in commercial environments where durability and adaptable configurations are required.
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Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Short backset mortice deadlock for timber doors
- Supplied without cylinder for flexible keying configuration
- Positive action swing bolt deadlocking mechanism
- Suitable for narrow stile sliding and swing doors
- Reversible handing for easier installation
- Part of Lockwood Synergy mortice lock range
Suitable Uses
- Timber narrow stile doors
- Commercial office and retail environments
- Installations requiring separate cylinder selection
- Sliding and hinged door applications
- Retrofit and new build projects
Full Specifications
Frequently Asked Questions
Does this include a cylinder?
No, this model is supplied without a cylinder and requires a compatible cylinder.
Is the lock handing fixed?
No, the handing is reversible to suit both left and right hand doors.
What is a common installation mistake?
Incorrect cylinder selection or poor strike alignment can affect lock performance.
Additional Information
- Commonly used in Australian commercial timber door applications.
- Short backset design allows installation in narrow stile door profiles.
- Suitable for master key systems due to separate cylinder selection.
- Proper cylinder and strike selection is critical for reliable operation.
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 Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods 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.
- Decorative finishes including 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 will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common 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.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.
