Plastic Locking Thermostat Guards

Prevent Unnecessary Repair By Reducing Vandalism!

Thermostat Guards offer a low-cost way to protect your bottom line. They prevent tampering which can damage thermostats or affect proper heating/cooling system performance.

Plastic Locking Guards

Handy universal plastic locking guards quickly pay their way. They are one of the most inexpensive energy management products you can use. They come in clear and beige plastic with solid or ring base and in a convenient assortment of sizes.


NOTE: Opaque (Beige) guards are available for all models shown.

Part # Desc Color Base H W D Price  
BTG-EK Mini Guard Clear Solid 3-7/8 3-1/2 2-1/2 $36.05 Add to Order
BTG-EO Mini Guard Beige Solid 3-7/8 3-1/2 2-1/2 Call Now for Price: 800-227-9800
BTG-K Square Guard Clear Solid Ring 5-1/4 , 5-1/4  4-5/8, 4-5/8  3, 3-1/4 $135.84 Add to Order
BTG-RK Rectangular Guard Clear Solid Ring 6-3/8, 6-3/8 3-1/2, 3-1/2  3, 3-1/4 $24.38 Add to Order
BTG-UK2 Large Guard Clear Solid Ring 8-1/4, 8-1/8 5-3/8, 4-3/8  3-1/2, 3-5/8 $45.54 Add to Order

Lexan Mini-Guard For Pneumatic and Electronic Thermostats

Made of durable tamper-resistant Lexan. This model is specifically designed for the new mini thermostats and transmitters.

3-3/4" x 2-1/2" x 2-1/2"D

Fits These Models:
Honeywell T7500B TP970 TP971 TP972 TP973 TP978 HP970 T7047 T7667 Johnson H5100 T4002 T4054 T4056 T5002 HC6500 HE6000 TC6500 TE1800 TE2800 Powers TH192 TH193 HU18C HT186
Part # Lexan Mini-Guard Price  
UG-1A Almond Opaque $37.60 Add to Order
UG-1C Clear $22.10 Add to Order
UG-1SC Clear Smoked $37.60 Add to Order

Honeywell T7350 Thermostat Guards

Part # T7350 Thermostat Guards Price  
191990A Set of 2 replacement keys for TG512 $16.77 Add to Order
TG512A1009 Clear plastic w/opaque polystyrene wall plate $53.86 Add to Order
TG512A1058 Clear plastic w/opaque plastic wall plate Call Now for Price: 800-227-9800
TG512B1007 Opaque polystyrene w/opaque polystyrene wall plate Call Now for Price: 800-227-9800
TG512D1003 Painted metal w/opaque polystyrene wall plate $92.84 Add to Order