Lockwood 3540 Series Extended Backset Spacer
The Lockwood 3540 Series Extended Backset Spacer is designed to modify the backset configuration of Lockwood 3540 series mortice lock installations, allowing for greater flexibility when working with varying door and frame conditions.
This spacer is commonly used in commercial and industrial environments where standard backset dimensions are not suitable. It enables proper alignment between the lock body and door hardware, ensuring consistent operation and secure engagement.
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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 systems
- Extends backset to suit non standard door configurations
- Improves alignment between lock body and door hardware
- Suitable for narrow stile and specialised installations
- Supports reliable deadbolt engagement
- Durable construction for commercial and industrial use
- Maintains consistent lock performance when properly installed
Suitable Uses
- Commercial and industrial buildings
- Narrow stile hinged door applications
- Custom door and frame configurations
- Sliding door locking systems
- Retrofit installations requiring backset adjustment
- Institutional and public buildings
Specifications
Item Code Family
Frequently Asked Questions
What is an extended backset spacer used for?
It is used to increase the distance between the edge of the door and the lock centre, allowing correct installation in non standard door setups.
Does this include the mortice lock?
No, this is a spacer component only and must be used with a compatible Lockwood 3540 Series mortice lock.
Can this be used on all doors?
It is intended for specific applications where the standard backset is not suitable. Correct selection is important for proper function.
Additional Information
- Commonly used in Australian commercial projects where door preparation differs from standard dimensions.
- Allows installers to adapt existing door setups without replacing the entire lock.
- Incorrect spacer selection can lead to poor alignment and reduced lock performance.
- Best installed by experienced locksmiths to ensure correct positioning and 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 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.
Official Warranty Document
