Lockwood 3542 Short Backset Mortice Deadlock Escape Turn Knob - Satin Chrome
The Lockwood 3542 Short Backset Mortice Deadlock with Escape Turn Knob is designed for narrow stile sliding and swing doors requiring secure locking with convenient internal operation.
This configuration combines keyed access with an internal escape turn knob, allowing quick and easy exit while maintaining strong security performance in commercial and architectural applications.
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 with escape turn knob
- Escape turn knob allows fast internal unlocking
- Positive action deadbolt engages securely into strike
- Suitable for narrow stile sliding and swing doors
- Can be operated by key, turn knob, escape turn or handle
- Tested to Australian Standards
- Compatible with restricted keying systems
- Part of Lockwood Synergy mortice lock range
Suitable Uses
- Commercial sliding door systems
- Aluminium narrow stile doors
- Office and retail entry doors
- Situations requiring safe internal exit operation
- Fabricator and architectural installations
Specifications
Frequently Asked Questions
What is an escape turn knob?
An escape turn knob allows the door to be unlocked quickly from the inside without a key, improving safety and convenience.
Is this suitable for sliding doors?
Yes, it is specifically designed for narrow stile sliding and swing door applications.
Can this be used with restricted key systems?
Yes, it is compatible with restricted keying systems for enhanced security control.
Additional Information
- Ideal for commercial and architectural door systems
- Provides a balance of security and internal safety access
- Short backset suits aluminium door frames
- Professional installation recommended
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.
