1. Introduction
The Honeywell Home CG512A1009 Large Thermostat Guard is designed to protect your thermostat settings from unauthorized adjustments and tampering. This clear plastic cover provides a secure enclosure for your thermostat, ensuring that your heating and cooling preferences remain consistent. It is suitable for both residential and commercial environments where maintaining specific temperature settings is crucial.
Image 1: Honeywell Home CG512A1009 Large Thermostat Guard installed over a white digital thermostat. The clear plastic cover is locked, protecting the thermostat from unauthorized access. The thermostat displays a temperature of 70 degrees Fahrenheit.
2. Features
- Universal Fit: Designed to fit all Honeywell Home thermostats and most other thermostats measuring up to 8.25" W x 5.75" H x 2.75" D.
- Key Lock Security: Features a robust key lock with an inner shelf to prevent tampering and unauthorized changes to temperature settings.
- Durable Construction: Made from ultra-clear acrylic resin that resists yellowing from chemicals and UV light, ensuring long-lasting clarity and protection.
- Versatile Mounting: Can be mounted either horizontally or vertically to accommodate various thermostat orientations.
Image 2: A close-up view of the Honeywell Home CG512A1009 Large Thermostat Guard, highlighting the key lock mechanism at the bottom. The clear plastic casing is visible, along with the two keys provided for securing the guard.
3. Package Contents
Verify that all items are included in your package:
- Large Thermostat Guard (Clear Plastic Casing)
- Key (x2)
- Mounting Hardware (screws and wall anchors)
Image 3: The Honeywell Home CG512A1009 Large Thermostat Guard is shown in its retail packaging. The package includes the clear plastic guard, two keys, and mounting hardware (red wall anchors and screws) for installation.
4. Compatibility
The CG512A1009 Thermostat Guard is designed to fit Honeywell Home thermostats and other models measuring 8.25" W x 5.75" H x 2.75" D or smaller. This includes various Honeywell thermostat families such as RTH8xxxx, RTH7xxxx, RTH6xxxx, RTH5xxxx, RTH4xxxx, RTH3xxxx, CT5x, and CT3x. When mounting over certain Honeywell models, it may be necessary to mount the guard slightly off-center to allow access to the battery door.
5. Setup and Installation
Follow these general steps for installing your thermostat guard:
- Preparation: Ensure your thermostat is properly installed and functioning. Clean the wall surface around the thermostat if necessary.
- Positioning: Hold the thermostat guard over your thermostat to determine the optimal mounting position. Ensure the guard covers the thermostat completely and allows for key access at the bottom.
- Marking: Use a pencil to mark the locations for the mounting screws through the pre-drilled holes on the guard's base.
- Drilling: Drill pilot holes at the marked locations. If installing into drywall, insert the provided wall anchors.
- Mounting: Align the guard's base with the drilled holes and secure it to the wall using the provided screws. Do not overtighten.
- Secure the Cover: Place the clear cover over the base and engage the key lock to secure it.
6. Operating Instructions
To access your thermostat for adjustments, insert one of the provided keys into the lock at the bottom of the guard. Turn the key to unlock the cover, then gently open the clear plastic cover. After making any necessary adjustments to your thermostat, close the cover and turn the key to lock it securely. Ensure the cover is fully closed and locked to prevent unauthorized access.
7. Maintenance
The Honeywell Home CG512A1009 Thermostat Guard requires minimal maintenance. The clear acrylic casing is chemical and UV resistant, which helps prevent yellowing and degradation over time. To clean the guard, simply wipe it with a soft, damp cloth. Avoid using abrasive cleaners or harsh chemicals, as these may scratch or damage the plastic surface.
8. Troubleshooting
- Difficulty Locking/Unlocking: Ensure the cover is properly aligned with the base before attempting to lock it. Check for any obstructions around the lock mechanism. If the lock feels stiff, a small amount of graphite lubricant can be applied to the keyhole.
- Cover Not Closing Properly: Verify that the thermostat is fully seated within the guard's base and that no wires or other components are preventing the cover from closing flush.
- Thermostat Buttons Inaccessible: If the guard is mounted too close to the thermostat, making buttons hard to press, ensure the guard is positioned correctly during installation. For some Honeywell models, off-center mounting may be required to access battery compartments or specific buttons.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | Honeywell Home |
| Model Name | Honeywell CG512A1009 Large Thermostat Guard with Inner Shelf to Prevent Tampering |
| Product Dimensions (D x W x H) | 3.25"D x 9.75"W x 7.25"H |
| Maximum Thermostat Dimensions (W x H x D) | 8.25" W x 5.75" H x 2.75" D or smaller |
| Controller Type | Hand Control (for thermostat within) |
| Special Feature | Lockable |
| Specific Uses For Product | Air Conditioner, Electric Baseboard Heater, Furnace, Heat Pump |
| Material Type | Multi (Acrylic Resin) |
| Mounting Type | Wall Mount |
| Color | Clear |
| Item Weight | 1.25 Pounds |
| Model Number | CG512A1009 |
| UPC | 085267990011 |
10. Warranty and Support
The Honeywell Home CG512A1009 Large Thermostat Guard comes with a 1-year product warranty. For warranty claims or technical support, please refer to the contact information provided with your product packaging or visit the official Honeywell Home website.