Lockwood 3774MKLL Passage Latch Mortice Lock Face Plate 60mm Backset - Satin Stainless Steel
The Lockwood 3774MKLL Passage Latch Mortice Lock with Face Plate is a non-locking primary latch solution designed for internal doors requiring unrestricted access. Featuring a 60mm backset and full radius end face plate, it is suitable for standard commercial door preparations.
This passage latch allows both internal and external handles to operate freely at all times, making it ideal for interconnecting doors where locking is not required.
Part of the Lockwood 3700 Series, this model is built for heavy duty use in high traffic environments such as commercial buildings, schools, hospitals and institutional settings.
Usually ships in 10 business days
Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- Passage latch function with no locking capability
- 60mm backset for standard mortice lock preparation
- Full radius end face plate design
- Free operation from both sides of the door
- Heavy duty construction for commercial use
- Part of Lockwood 3700 Series mortice lock range
Suitable Uses
- Internal interconnecting doors
- Commercial offices and buildings
- Schools, hospitals and institutions
- Areas requiring unrestricted access
- High traffic doorways
Full Specifications
Frequently Asked Questions
Does this lock provide any locking function?
No, this is a passage latch and does not provide locking.
What is the purpose of the face plate?
The face plate provides a finished edge and ensures proper latch alignment in the door.
What is a common installation mistake?
Incorrect alignment of the strike or face plate which affects latch operation.
Additional Information
- Commonly used across Australian commercial interior door applications.
- Ideal for corridors, offices and shared access areas.
- Heavy duty design ensures long service life under frequent use.
- Should not be used where privacy or security locking is required.
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.
