
Lockwood 5541 Short Backset Mortice Deadlock Cylinder Turn No Cylinder - Satin Chrome
The Lockwood 5541 Short Backset Mortice Deadlock Cylinder Turn No Cylinder is a short backset mortice deadlock designed for narrow stile sliding and swing doors.
This configuration includes a cylinder turn function without a cylinder, allowing integration into systems where external keying is not required or is supplied separately.
Part of the Lockwood Synergy mortice lock range, it is commonly specified in commercial installations requiring compact and reliable locking solutions.
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Key Features
- Short backset mortice deadlock for narrow stile doors
- Cylinder turn functionality without cylinder
- Compact design suitable for restricted door profiles
- Part of Lockwood Synergy mortice lock range
- Designed for commercial locking applications
Suitable Uses
- Narrow stile sliding doors
- Narrow stile swing doors
- Commercial mortice lock installations
- Applications requiring internal turn operation without cylinder
Specifications
| Brand | Lockwood |
| Product Type | Short backset mortice deadlock |
| Series | 5541 |
| Cylinder | No cylinder |
| Function | Cylinder turn operation without cylinder |
| Standards | Tested to Australian Standard |
| Finish | Satin Chrome |
Frequently Asked Questions
Does this include a cylinder?
No, this model is supplied without a cylinder.
What is the purpose of the cylinder turn?
The cylinder turn allows internal operation without requiring a key.
Is this suitable for narrow stile doors?
Yes, it is designed specifically for narrow stile sliding and swing doors.
Additional Information
- Part of the Lockwood Synergy Mortice Locks range.
- Short backset design suits installations where space is limited.
- Commonly used where cylinder hardware is supplied separately or not required.
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.pdf

Lockwood Synergy Mortice Locks Catalogue.pdf
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.