Schlage Residential FC21 Alexandria Glass Knob Passage and Privacy Cylindrical Lock

Schlage Residential FC21 Alexandria Glass Knob Passage/Privacy Cylindrical Lock

Dual-Function Residential Lock with Classic Glass Knob Design

The Schlage Residential FC21 Alexandria Glass Knob Lock provides versatile passage and privacy functionality for residential applications. This Grade 2 cylindrical lock features dual backset compatibility for 2-3/8" or 2-3/4" installations and accommodates door thicknesses from 1-3/8" to 1-3/4". The Alexandria glass knob design offers timeless elegance while the convertible passage/privacy function adapts to various room requirements with a simple pushbutton operation.

Professional Features & Benefits

• Door Thickness Compatibility: Accommodates 1-3/8" to 1-3/4" doors with dual backset options for 2-3/8" or 2-3/4" installations.
• Dual-Function Operation: Default passage function converts to privacy with interior pushbutton, featuring emergency unlock capability from exterior side.
• Grade 2 Certification: ANSI/BHMA A156.2-2017 Grade 2 and ANSI/BHMA A156.39-2015 Residential Grade AAA certified for reliable performance.
• Professional Installation: Easy 3-step installation process requires only a screwdriver, with universal latch and full lip radius corner strike included.
• Quality Construction: Stainless steel substrate with 1" x 2-1/4" latch featuring 1/4" radius corner faceplate and 1/2" throw for secure operation.
• Fire Door Compatible: Available UL Listed for 90-minute fire door applications when required by code.
• Manufacturer Warranty: 10-year warranty coverage for added confidence and long-term protection.

Standard Features

Certification:ANSI/BHMA A156.2-2017 Grade 2
ANSI/BHMA A156.39-2015 Residential Grade AAA
Available UL Listed for 90 minute fire door
Latch: 1"x 2-1/4", 1/4" radius corner faceplate, 1" housing diameter, 1/2" throw, circular drive-in included, universal latch
Strike: 1-5/8" x 2-1/4" radius corner, full lip
Backset: Dual backset latches, fits either 2-3/8" or 2-3/4" backsets
Cylinder: 5-Pin, C keyway, keyed alike (KA4)
Door Range: 1-3/8" – 1-3/4"
Keys: Two per lock, 5-pin, C section

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness between 1-3/8" and 1-3/4" and backset requirements for either 2-3/8" or 2-3/4" installation.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door surfaces for the cylindrical lock installation.
3. Prepare door by drilling required holes per manufacturer specifications, ensuring proper alignment for the universal latch and strike components.
4. Install the spring latch assembly and secure the lock mechanism to door per manufacturer torque specifications using the 3-step installation process.
5. Adjust operational components for proper alignment and smooth knob operation, testing both passage and privacy functions throughout the full range of motion.
6. Test device operation to verify proper function of the convertible passage/privacy mechanism and emergency unlock feature. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

• Residential Interior Doors
• Bedroom and Bathroom Privacy Applications
• Hall and Closet Passage Functions
• Multi-Family Housing Units
• Apartment and Condominium Complexes
• Single-Family Home Interior Applications
• Residential Renovation Projects

Why Choose Schlage Residential Quality?

Schlage Residential FC21 locks deliver professional-grade reliability with stainless steel construction and Grade 2 ANSI/BHMA certification for demanding residential applications. The 10-year manufacturer warranty provides long-term confidence while the dual-function design offers versatility for various room requirements. Engineered for easy installation and dependable daily operation with classic Alexandria glass knob styling.