
Lockwood 4572 Mortice Classroom Lock (No Locking Inside) - Satin Chrome
The Lockwood 4572 Mortice Classroom Lock is a durable commercial-grade locking solution designed specifically for classroom and institutional environments where internal locking is not required.
It provides secure external key operation while allowing free internal egress, making it ideal for safety-focused applications such as schools and public buildings.
Built as part of the Lockwood 3570 series, it ensures long-term reliability and compatibility with a wide range of door furniture.
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Key Features
- Classroom function with no internal locking capability
- Deadlatch mechanism for secure latching
- External key operation with free internal egress
- Suitable for high traffic commercial environments
- Tested to Australian Standards
- Compatible with Lockwood door furniture ranges
Suitable Uses
- Classrooms and educational facilities
- Hospitals and healthcare buildings
- Commercial and institutional buildings
- Doors requiring controlled external access only
Specifications
Frequently Asked Questions
Does this lock allow internal locking?
No, this is a classroom function lock and cannot be locked from inside.
Where is this lock commonly used?
It is commonly used in classrooms, hospitals and commercial buildings.
Is it compatible with Lockwood furniture?
Yes, it works with a wide range of Lockwood rose and plate furniture.
Additional Information
- Part of the Lockwood 3570 series mortice locks.
- Designed for safety and controlled access environments.
- Supports high frequency usage in commercial settings.
- 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)
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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.