Honeywell 5-1/8 in. x 6-1/8 in. Clear Universal Thermostat Guard-TG511A1000 at The Home Depot
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Model # TG511A1000

Internet # 100053222

5-1/8 in. x 6-1/8 in. Clear Universal Thermostat Guard

Honeywell 5-1/8 in. x 6-1/8 in. Clear Universal Thermostat Guard

This item has been discontinued.
The Home Depot no longer carries this specific product.

$19.95 / each
Item cannot be shipped to the following state(s): AK,GU,HI,PR,VI


In Stock



Model # TG511A1000

Internet # 100053222

The Honeywell 5-1/8 in. x 6-1/8 in. Clear Thermostat Guard helps protect your thermostat from tampering and damage. This plastic guard is tamper resistant. Use this thermostat guard in lobbies, supermarkets, restaurants or hospitals.

  • Helps cover wall thermostats and protects them from tampering, damage and unauthorized temperature adjustment
  • Can be used in offices, lobbies, supermarkets, restaurants, clinics, hospitals and convenience stores
  • Made of plastic
  • Tamper-resistant lock
  • Base vent allows airflow for optimum thermostat performance
  • Vertical or horizontal mount
  • Includes a guard cover, tumbler lock, two keys and a Honeywell logo insert


Assembled Depth (in.)  7.6 in  Assembled Height (in.)  3.2 in 
Assembled Width (in.)  7 in  Color Family  Clear 
Manufacturer Warranty  1 year limited warranty  Product Depth (in.) 
Product Height (ft.)  5.125  Product Width (in.)  6.125 in 
Returnable  90-Day 


Rated 4.4 out of 5 by 7 reviewers.
Rated 5 out of 5 by Pretty simple product that works as intended Pretty simple product that works as intended. I have two small thermostats in my companies office that were constantly being adjusted to extremes by the warring "Climate Tribes" in the main cubicle areas. After a long Holiday weekend, I entered my office to find one portion blowing frigid air and another zone blowing heat. I found one thermostat on 78 and "Heat" and the other on 70 and "Cool". When I entered my 80+ degree office I decided to buy the Thermostat guards. Really glad I did. These work great and do not look too huge over the 3"X5" thermostats on the wall. Installation is very simple and took about 5 minutes for me to put both up on the wall. May 29, 2012
Rated 5 out of 5 by Idea solution to the problem I had to find a way to protect my thermostat from my African Grey Parrot's beak; he had already destroyed one thermostat: he just loves taking things apart! This clear box which protects the thermostat doesn't give him anything to get his beak in or under to pry it off the wall, and the rounded corners doesn't allow him anything to chew on. A perfect solution to my problem November 5, 2013
Rated 2 out of 5 by Thermosta Guard Almost Good Enough!!!! This guard is adaquate, sturdy and easy to install. But, If Tenants want to break into the thermostat guard they all they have to do is use a thin piece of wire or a coathanger...I was shown this procedure & tried it myself & found it easy to adjust the temp. with a little skill....So, I purchsed a very small amount of thin lexan (shatterproof plastic), measured the interior, cut, and glued the interior covering the holes. Now I do not think it can be adjusted unless the tenant rips it off the wall doing further damage. Also, I do think the price iv very high (thought it would be under $10.00) but with oil prices as high as they are this should deter heat abusing tenants. October 20, 2010
Rated 5 out of 5 by outstanding product This guard is very sturdy and easy to install. If tenants want to break into the thermostat guard they will find a way. With this guard they will have no choice but to damage the wall to gain entry. I have been looking for awhile for a product that a tenant can't easily defeat-This is it. Great price too!! With oil prices as high as they are this should minimize profit loss due to heat abusing tenants. March 30, 2009
Rated 5 out of 5 by great item I am very pleased with this thermostat lock. it was very easy to install and now the kids can't turn up the heat when I'm not home. Saves me cash and no more arguments!! February 19, 2011
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