Lockwood 3772MKLL Dual Cylinder Lower Cylinder Mount Kit (570E & 577 Type Cylinders)
The Lockwood 3772MKLL Dual Cylinder Lower Cylinder Mount Kit is designed to enable dual cylinder configurations on compatible Lockwood 3700 series mortice locks. This kit allows for lower cylinder mounting using 570E and 577 type cylinders.
It is typically used where dual cylinder functionality is required, such as keyed access from both sides of a door. This configuration is common in higher security applications and specialised commercial installations.
This component is part of the Lockwood Synergy 3700 Series ecosystem and is intended for professional installation and configuration.
Usually ships in 10 business days
Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Dual cylinder mounting kit for Lockwood 3700 series mortice locks
- Designed for lower cylinder positioning
- Compatible with 570E and 577 type cylinders
- Supports dual cylinder access configurations
- Suitable for commercial and high security applications
- Part of Lockwood Synergy mortice lock system
Suitable Uses
- Commercial doors requiring dual cylinder access
- Security upgrades for existing mortice lock installations
- Applications requiring keyed entry from both sides
- Compatible Lockwood 3700 series lock retrofits
- Institutional and high security environments
Full Specifications
Frequently Asked Questions
Does this kit include cylinders?
No, cylinders must be purchased separately and must be compatible 570E or 577 types.
What locks is this compatible with?
This kit is designed for Lockwood 3700 series mortice locks.
What is a common installation mistake?
Using incompatible cylinder types or incorrect positioning during installation.
Additional Information
- Commonly used when upgrading to dual cylinder security configurations.
- Ideal for applications requiring controlled access from both sides of the door.
- Must be paired with correct cylinder type to ensure proper function.
- Typically installed by locksmiths or qualified installers.
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 3700 Series Mortice Locks Service Manual
Lockwood 3700 Series Mortice Locks Service Manual
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.
