SensCheck L2 Compatible Lockmaster 21 Composite

The Lockmaster 21 Multipoint Door Lock exemplifies the pinnacle of British engineering, delivering outstanding performance, enhanced security, and unwavering reliability. Designed, developed, rigorously tested, and manufactured entirely in the UK, this multipoint locking system is the ideal solution for fabricators and installers within the fenestration industry. 

Key Security Features:

  • Two Security Hooks  
    Strategically positioned to deliver maximum anti-separation strength and enhanced locking engagement.  
  • Auxiliary Locking Units  
    Features Lockmaster’s signature hooks and anti-lift pins, providing added protection against door lifting and forced entry attempts.  
  • Four Precompression Rollers  
    Designed to ensure consistent weather sealing by compressing the door against the frame before locking—improving both insulation and durability.  

 

Specifications:

  • Unsprung Centre case: 35mm backset with deadbolt centre and reversible latch for easy handing adjustments. Includes a push-in latch snib to prevent accidental lockouts  
  • PZ Centre: 92mm /62mm, compatible with standard handle sets  
  • Faceplate: Stainless Steel (430) 16mm Yale-branded faceplate for a clean, professional finish  
  • One Piece Keep: 13mm Axis One Piece keep: offers maximum security, pleasing aesthetics and enhanced longevity   
  • Profile Compatibility: Designed to work with profile-specific packers for precise fitting  
  • Height Extendibility: Can be vertically extended with the addition of shootbolts for increased security and multi-point locking  
  • Smart Compatibility: Compatible with Yale SensCheck™ Door Sensors  
  • Packaging: Supplied in boxes of 5 units  

 

Performance & Certifications:

  • PAS24 Compliant – Designed to meet the requirements of enhanced security performance requirements for doorsets  
  • Secured by Design Approved – Recognised under the Police Preferred Specification  
  • BS EN6375-2: Cycle-Tested to 100,000 Operations – Verified mechanical longevity  
  • 10-Year Mechanical Guarantee — Backed by industry-leading warranty support. 
  • Included in the Yale Lifetime Security Guarantee — Confidence built to last. 
  • Made in Britain — Precision engineered and manufactured in the UK