Lockwood 7724 Series Size 1-4 Door Closer Adjustable Backcheck - Silver
The Lockwood 7724 Series Size 1-4 Door Closer is a surface mounted hydraulic door closer designed for architectural and commercial applications.
Featuring a rack and pinion mechanism, this closer provides smooth and controlled door operation with adjustable power and backcheck functionality.
It is widely specified across commercial buildings where durability, compliance and consistent closing performance are required.
Usually ships in 3 business days
Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Adjustable closing power size 1 to 4
- Adjustable backcheck to control door opening force
- Rack and pinion mechanism for reliable performance
- Non hold-open configuration
- Non-handed design suitable for left and right hand doors
- Extruded aluminium body with fully formed metal cover
- Adjustable delayed action for controlled closing speed
- Dual pressure relief valves to protect against abuse
- Supports regular, parallel and overhead mounting
Suitable Uses
- Commercial and office buildings
- Schools, hospitals and public facilities
- Architectural door hardware applications
- High traffic doors requiring controlled closing
Specifications
| Brand | Lockwood |
| Product Type | Surface mounted door closer |
| Power Size | Adjustable size 1 to 4 |
| Backcheck | Adjustable |
| Handing | Non-handed |
| Mounting Options | Regular, parallel arm and overhead |
| Finish | Silver |
Fire Rated
Successfully tested on fire door assemblies up to 4 hours depending on doorset configuration, in accordance with AS1905.1:2005.
Frequently Asked Questions
Can this closer be used on fire doors?
Yes, it is tested for fire door applications, but hold-open must not be used on fire doors.
Is this suitable for both left and right hand doors?
Yes, the non-handed design allows installation on either side.
What is a common installation mistake?
Incorrect power adjustment can lead to poor closing performance or door slamming.
Additional Information
- Commonly specified in Australian commercial buildings requiring controlled door closing.
- Backcheck function helps prevent damage to doors and surrounding walls.
- Adjustable power allows installers to fine tune closing force based on door size and usage.
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
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.
