Product Overview:
Shields wall-mounted thermostats from unintended physical contact while keeping the display visible through a clear protective cover. The Resideo TG512A1009 Large Thermostat Guard Clear Plastic 5-7/8 in. x 8-3/8 in. is an OEM thermostat protection component featuring double-wall construction, a tamper-resistant lock, and a vented base. Its internal dimensions accommodate appropriately sized thermostats in vertical or horizontal mounting orientations.
Physical Protection:
The thermostat guard creates a physical barrier around the enclosed thermostat while maintaining visibility through its clear cover. Its double-wall construction provides an additional layer of physical separation, while the tamper-resistant lock secures the enclosure when direct access to the thermostat controls needs to be restricted. The specified internal dimensions provide clearance for appropriately sized thermostats without becoming part of the thermostat's electrical or temperature-control functions.
Thermostat Protection:
The guard surrounds the wall-mounted thermostat and restricts direct access to its user controls while leaving the thermostat responsible for sensing and communicating temperature conditions to the associated heating or cooling equipment. The vented guard base permits airflow around the thermostat, and the clear cover keeps the thermostat display visible while the controls remain enclosed.
Replacement Guidelines:
Replace the TG512A1009 thermostat guard when the clear cover, base, or locking mechanism is damaged and can no longer provide the intended protective enclosure. Replacement may also be appropriate when the existing guard does not provide sufficient clearance for the thermostat being protected.
Common Signs of Wear:
- Cracked or broken clear cover
- Damaged guard base or enclosure
- Locking mechanism no longer secures the guard
- Physical damage that leaves thermostat controls exposed
- Insufficient internal clearance around the thermostat
- Damaged enclosure components that prevent proper closure
Equipment Compatibility:
The TG512A1009 is intended for wall-mounted thermostats used with heating and cooling equipment. The guard provides an internal clearance of 5-7/8 inches high by 8-3/8 inches wide. Verify the thermostat model number, physical dimensions, manufacturer documentation, and applicable replacement or superseded part numbers before purchase.
Technical Specifications:
Brand: Resideo
Part Number: TG512A1009
Product Type: Large thermostat guard
Cover: Clear
Internal Height: 5-7/8 in.
Internal Width: 8-3/8 in.
Mounting Orientation: Vertical or horizontal
Locking Feature: Tamper-resistant
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