Lockwood 3541 Short Backset Mortice Deadlock Escape Turn Knob - Satin Chrome
The Lockwood 3541 Short Backset Mortice Deadlock with escape turn knob is designed for narrow stile doors where standard backset locks are not suitable. It incorporates a swing-bolt deadlocking mechanism that securely engages into a compatible strike for positive locking.
This lock is part of the Lockwood 3540 Series Synergy mortice lock range and is commonly used on aluminium framed sliding and swing doors. The escape turn function allows internal egress without a key, making it suitable for commercial and compliance-sensitive applications.
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Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Short backset mortice deadlock designed for narrow stile doors
- Swing-bolt deadlocking mechanism for secure engagement
- Escape turn knob allows internal unlocking without a key
- Suitable for sliding and swing door applications
- Compatible with Lockwood 3540 Series cylinders
- Supports restricted keying systems
- Tested to Australian Standard requirements
- Part of the Lockwood Synergy mortice lock platform
Suitable Uses
- Aluminium framed commercial doors
- Narrow stile sliding doors
- Office and retail entry doors
- Applications requiring internal escape function
- Commercial door upgrades and retrofits
Specifications
Item Code Family - Lockwood 3541 Escape Turn Mortice Deadlocks
Frequently Asked Questions
Is this suitable for sliding doors?
Yes, this model is specifically designed for narrow stile sliding and swing doors where short backset locks are required.
Can this be used with restricted key systems?
Yes, it is compatible with Lockwood restricted keying systems when paired with the correct cylinder.
Does this include the cylinder?
No, cylinders are typically supplied separately depending on the keying system required.
Additional Information
- Commonly specified across Australian commercial aluminium door systems where standard backset locks will not fit.
- The swing-bolt design improves engagement into the strike compared to straight deadbolts in sliding applications.
- Incorrect strike alignment is a common installation issue and can reduce locking performance.
- Escape turn function is often used where internal egress is required without key 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.
