Yale Y591 Short Backset Cylinder and Turn Mortice Lock - Y59CT
The Yale Y59CT Y591 Short Backset Mortice Lock is designed for narrow stile aluminium and frameless glass doors where internal locking convenience is required.
This model features a cylinder and turn configuration, allowing key operation externally and thumbturn operation internally, making it suitable for controlled access applications.
With a compact 23mm backset and robust steel construction, it is widely used in commercial and multi-residential door systems.
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Key Features
- 23mm short backset suitable for narrow stile door profiles
- Cylinder outside with internal thumbturn operation
- Laminated steel bolt for improved durability
- Positive bolt positioning before key removal
- Compact design suited to aluminium and glass door systems
- Compatible with patch fittings for frameless glass doors
Suitable Uses
- Aluminium framed commercial doors
- Frameless glass doors with patch fittings
- Offices and commercial buildings
- Internal access controlled doors
- Multi-residential developments
Full Specifications
Technical Drawing
Cylinder and turnknob reversible configuration. External operation by key and internal operation via turnknob.
Item Code Family
Frequently Asked Questions
Is this suitable for internal doors?
Yes, it is commonly used on internal commercial and residential access doors requiring key and turn functionality.
Can this be used on frameless glass doors?
Yes, when installed with compatible patch fittings and strike plates.
What is a common installation mistake?
Incorrect cylinder selection or alignment can affect smooth operation and locking performance.
Additional Information
- Commonly specified in Australian aluminium shopfront and partition door systems
- Provides internal thumbturn convenience while maintaining external key security
- Short backset design suits narrow stile doors where space is limited
- Typically paired with commercial cylinders and compatible escutcheons
ASSA ABLOY branded Yale products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 10 years
- Electrical and electronic components: 3 years (excluding batteries)
- Keys: 12 months
Yale Mortice Locks Catalogue
Yale Mortice Locks Catalogue
Yale Warranty Overview
Yale branded products sold in Australia are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty coverage varies by product type, with separate periods applying to mechanical components, electrical and electronic components, and keys.
This overview summarises the structure of Yale warranty coverage in Australia. Full terms, limitations, exclusions and claim procedures are set out in the official Yale Warranty document.
Warranty Periods Summary
Finish & Material Notes
- The warranty does not apply to finishes or cosmetic and appearance damage.
- Stainless steel does not mean stain-free. Tea staining is not covered where cleaning and maintenance guidance has not been followed.
- Batteries are not covered by the warranty.
What the Warranty Covers
- Defects in material and workmanship within the applicable warranty period.
- Assessment by ASSA ABLOY or an authorised reseller to determine whether the warranty applies.
- Repair, replacement with the same or closest similar Yale product, or refund of the purchase price at ASSA ABLOY�s option.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse, accident or use outside published technical specifications.
- Improper maintenance or neglect.
- Use of improper batteries or battery-related damage.
- Unauthorised alteration, modification or repair.
- Custom orders made to non-standard specifications.
- Old, second-hand or imported products not originally sold in Australia through authorised channels.
- Use of substitute or non-genuine ASSA ABLOY parts or cylinders.
- Exposure to corrosive environments including coastal air, salt spray, chemicals, contamination or high humidity.
- Removal, refitment, replacement, labour or associated charges.
Warranty Claim Process
- Retain proof of original purchase.
- If purchased from an authorised retailer or reseller, return the product to that original seller with claim details and proof of purchase.
- If claiming direct with ASSA ABLOY, contact customer service first and obtain a Case Number.
- Securely package the product and include proof of purchase.
- Clearly mark the Case Number on the outside of the packaging for direct claims.
- ASSA ABLOY will assess the claim and determine repair, replacement or refund if the warranty applies.
Australian Consumer Law
Yale warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded under the Australian Consumer Law.
Customers may be entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. Customers are also entitled to have goods repaired or replaced if they fail to be of acceptable quality and the failure does not amount to a major failure.
