GRD10A-608 Johnson Controls Guard

Overview

The Johnson Controls GRD10A-608 is a heavy-duty, professional-grade clear plastic thermostat guard from the G Series. Engineered to protect critical climate control interfaces from unauthorized adjustment, tampering, vandalism, and physical damage, it is ideal for high-traffic or public areas such as schools, hospitals, offices, and industrial facilities. This complete kit includes a clear plastic enclosure cover, a baseplate, and a mounting ring, enabling easy horizontal or vertical installation over existing controls without requiring system rewiring.

Features

• High-Security Protection: Heavy-duty Lexan plastic construction protects sensitive controllers from physical impacts and vandalism.
• Key Lock Mechanism: Features a tumbler-type key lock to prevent unauthorized adjustments to the thermostat or humidistat settings.
• Hinged Cover Design: The hinged double-wall cover swings open fully, allowing authorized technicians easy access for calibration and maintenance.
• Precision Airflow: Designed with integrated ventilation slots that provide 360-degree airflow, preventing temperature offset or delayed sensor response.
• Complete Mounting Kit: Includes both a plastic baseplate and a mounting ring to ensure a finished, professional appearance.

Specifications

• Manufacturer: Johnson Controls
• Model Number: GRD10A-608
• Material / Composition: Non-metallic (Plastic/Lexan), double-wall construction
• Color: Clear cover with white/opaque plastic baseplate and ring
• Enclosure Size: Approximately 6.75 x 4.25 inches (Large/La Grande application size)
• Cover Type: Hinged with tumbler-type key lock

Applications

• Used to protect room thermostats, pneumatic thermostats, and humidistats from tampering and damage.
• Universally compatible with a wide range of Johnson Controls and Penn units, including the T22, T25, T26, T28, T31, T41, T51, T52, T53, T80, T91, T93, T4000 series, and W-series line-voltage controllers or humidistats.
• Ideal for wall-mounted HVAC controls in commercial buildings, schools, hospitals, institutional facilities, and light industrial settings.