Universal Thermostat Guard, Medium, Clear Cover

The Honeywell TG511A1000 VersaGuard Thermostat Guard provides secure protection for thermostats with a universal medium-size clear polycarbonate cover designed for durability and visibility.

The Honeywell TG511A1000 VersaGuard Thermostat Guard is a universal protective cover designed to prevent unauthorized adjustment or damage to thermostats in commercial, institutional, and residential environments. Constructed from impact-resistant clear polycarbonate, this guard allows full thermostat visibility while providing secure key-lock protection. Its medium-size design fits most standard thermostats, offering 7-1/2 inches overall width, 6-1/2 inches overall height, and 2-15/16 inches depth. The hinged cover and lock system allow easy authorized access for maintenance or adjustment, making it ideal for schools, offices, and multi-tenant buildings.

• Model number TG511A1000 identifies the Honeywell VersaGuard Thermostat Guard in universal medium size.
• Designed to protect thermostats from tampering, dust, and impact in high-traffic or public areas.
• Constructed from clear polycarbonate for durability and full visibility of the thermostat display.

Technical Data & Performance

• Product Type: Thermostat Guard Cover.
• Brand: Honeywell.
• Series: VersaGuard.
• Model: TG511A1000.
• Guard Type: Universal medium-size thermostat cover.
• Material: High-impact polycarbonate – clear, rigid, and resistant to cracking.
• Color: Clear – provides easy thermostat visibility while maintaining protection.
• Mounting Type: Wall mount – mounts directly over thermostat base.
• Lock Type: Key-locking mechanism with one included key for controlled access.
• Door Style: Hinged front cover for easy authorized entry.
• Interior Dimensions (Fits Thermostat Size):
  • Width: 6-1/16 inches.
  • Height: 5-1/16 inches.
  • Depth: 2-1/2 inches usable space (approx.).
• Overall Dimensions:
  • Width: 7-1/2 inches.
  • Height: 6-1/2 inches.
  • Depth: 2-15/16 inches.
• Mounting Hardware: Included – wall anchors and screws for standard surface mounting.
• Compatibility: Fits most Honeywell, White-Rodgers, Lux, and Emerson thermostats of medium size.
• Ventilation: Slotted side vents maintain proper airflow to ensure accurate temperature sensing.
• Access: Lockable front door allows authorized service access while preventing tampering.
• Operating Temperature Range: -20°F to 150°F (-29°C to 66°C).
• Impact Resistance: High – resists mechanical stress and accidental impacts.
• Flammability Rating: UL94 V-2 compliant polycarbonate housing.
• Installation Requirements:
  • Requires standard screwdriver and included fasteners.
  • Can be mounted to drywall, wood, or masonry surfaces.
• Applications:
  • Commercial offices and retail buildings.
  • Schools, hospitals, and public facilities.
  • Multi-unit housing or rental properties.
• Maintenance: Wipe exterior with a soft cloth and mild detergent; avoid solvents or abrasives.
• Compliance:
  • Complies with UL and CSA safety requirements.
  • Designed in accordance with Honeywell building control standards.
• Weight: ~0.7 lb (0.32 kg).
• Packaging: Supplied as a complete guard kit including cover, lock, key, and mounting hardware.
• Warranty: Covered by Honeywell Limited 1-Year Warranty for materials and workmanship.

Applications & Benefits

• Prevents unauthorized access to thermostat controls in public or shared environments.
• Clear polycarbonate design allows visibility of display and settings without compromising protection.
• Universal fit accommodates most medium-sized thermostats.
• Key-lock access provides controlled entry for maintenance personnel.
• Ventilated housing ensures accurate temperature sensing and airflow.
• Durable and impact-resistant construction withstands daily use in commercial settings.
• Ideal for schools, offices, hospitals, and multi-tenant buildings requiring secure thermostat management.