UNION 2657 Mortice Latch

The UNION 2657 Large Case Mortice Latch is a high-quality, UK-manufactured latch designed for timber doors hinged on either the left or right. Engineered for durability and reliability, this heavy-duty upright latch is suitable for use with both mortice knobs and unsprung lever handles. It features a robust, one-way action 8mm follower and is pierced to accept bolt-through door furniture for a secure, long-lasting installation.

This versatile mortice latch is EN 1634-1 assessed for use on 60-minute timber fire doors, making it an excellent choice for both commercial and residential applications. It comes with a 10-year manufacturer's guarantee, reflecting its premium build quality.

The UNION 2657 is available in a range of case depths (64mm, 75mm, or 102mm) and corresponding backsets (44mm, 57mm, or 82mm) to suit different door setups and handle styles. Please select your required size from the options below.

Technical Specifications

• Brand: Union
• Model: 2657
• Mechanism: Latch only
• Follower: 8mm (One-way action)
• Forend Size: 152mm x 25mm
• Forend Finish: Satin Chrome
• Case Finish: Silver
• Case Height: 108mm
• Case Depth: 64mm, 75mm, or 102mm (please choose from the options below)
• Backset: 44mm, 57mm, or 82mm (please choose from the options below)
• Weight: 360g, 380g, or 520g (please choose from the options below)

Key Features

• 10-Year Guarantee: Backed by a 10-year manufacturer's guarantee for peace of mind.
• Fire Door Approved: EN 1634-1 assessed for use on 60-minute timber fire doors.
• UK Manufactured: High-quality construction, proudly manufactured in the UK.
• Reversible Latch Bolt: Fully reversible latch bolt to suit both left and right-handed doors.
• Furniture Compatibility: Pierced to accept bolt-through door furniture.
• Handle Compatibility: Suitable for use with mortice knobs and unsprung lever handles.