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 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.
