Lockwood 3540 Series Downward Acting Left Hand Turn Knob Assembly - Suit Right Hand Door - Satin Chrome
The Lockwood 3540 Series Downward Acting Turn Knob Assembly is designed for use with Lockwood 3540 Series mortice locks, providing a reliable internal turn function for secure door operation.
This configuration features a left hand downward acting turn knob designed to suit right hand doors, and is supplied with the required adaptor for correct installation. It is commonly used in commercial and architectural door hardware applications where controlled internal operation is required.
Built to integrate seamlessly with the Lockwood 3540 Series range, it ensures consistent performance and a professional finish across door systems.
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Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Designed for Lockwood 3540 Series mortice lock applications
- Downward acting turn knob for controlled internal operation
- Left hand turn knob configuration
- Suitable for right hand door applications with adaptor included
- Engineered for commercial and architectural environments
- Seamless integration with Lockwood 3540 Series hardware
Suitable Uses
- Lockwood 3540 Series mortice lock installations
- Commercial aluminium and metal doors
- Institutional and architectural door hardware applications
- Doors requiring directional internal turn operation
- New installations and retrofit projects
Specifications
Available Finish Options
Item Code Family
Frequently Asked Questions
What door handing is this suitable for?
This model is a left hand turn knob assembly designed to suit right hand doors.
Does this include the lock body?
No, this is the turn knob assembly only and must be used with a compatible Lockwood 3540 Series mortice lock.
What does downward acting mean?
Downward acting refers to the direction the turn knob is operated to engage or release the locking mechanism.
Additional Information
- Important to match correct handing and door configuration before installation.
- Commonly used in commercial aluminium door systems and architectural fitouts.
- Ensures correct internal operation when paired with compatible Lockwood mortice locks.
- Professional installation recommended for correct function and compliance.
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)
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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.
