Lockwood 3578 Mortice Lock Holdback Wide Stile - Satin Chrome
The Lockwood 3578 Mortice Lock Holdback Wide Stile is designed for commercial and institutional doors where a latch holdback function is required on wide stile door applications.
This heavy duty mortice lock allows the latch to be held in the retracted position when needed, making it suitable for high use doors and amenity areas where temporary free passage is beneficial.
Part of the Lockwood Synergy mortice lock platform, it is built for durability and compatibility with a broad range of Lockwood door furniture.
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Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Mortice lock with latch holdback function
- Wide stile format for appropriate door profiles
- Deadlatch mechanism
- Heavy duty construction for commercial use
- Compatible with Lockwood Synergy mortice lock systems
- Compatible with Lockwood rose and plate furniture ranges
- Tested to Australian Standards
Suitable Uses
- Commercial buildings and offices
- Schools and educational facilities
- Hospitals and healthcare environments
- Hotels and accommodation buildings
- High use doors requiring temporary free passage
- Wide stile door applications
Specifications
Dimensions
Frequently Asked Questions
What is the holdback function used for?
It allows the latch to be held retracted so the door can swing freely when temporary free passage is needed.
What does wide stile mean?
It refers to door profiles with a wider stile section, often found on commercial aluminium or framed doors.
Is this suitable for toilet or amenity doors?
Yes, holdback mortice locks are commonly used where temporary free passage is useful, including some amenity door applications.
Additional Information
- Commonly specified in Australian commercial and institutional projects using wide stile doors.
- The holdback feature is useful on high traffic doors where repeated latch retraction is needed.
- Incorrect specification can occur where a standard body is ordered for a wide stile application.
- Compatible with Lockwood rose and plate furniture including Brass Door Furniture, Daintree, Aquileart, Artefact Series II and Ovation Series.
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
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.
