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  • Honeywell CG511A1000 Medium Thermostat Guard with Inner Shelf to Prevent Tampering
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Honeywell CG511A1000 Medium Thermostat Guard with Inner Shelf to Prevent Tampering

| 12 answered questions

List Price: $17.99
Price: $13.48 & FREE Shipping on orders over $35. Details
You Save: $4.51 (25%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
  • Fits all Honeywell and most other thermostats
  • Clear plastic cover that resists yellowing
  • Key lock with inner shelf to prevent tampering
  • Protects unwanted changes to AC/heating preferred settings
  • Ultra clear acrylic resin cover and base resists the yellowing effects of chemicals and UV-light
See more product details
34 new from $10.30 1 used from $24.95

Frequently Bought Together

Honeywell CG511A1000 Medium Thermostat Guard with Inner Shelf to Prevent Tampering + Honeywell CG512A1009 Large Thermostat Guard with  Inner Shelf to Prevent Tampering + Honeywell CG510A Thermostat Guard, Small
Price for all three: $43.93

Buy the selected items together



Product Information

Technical Details
Part Number CG511A1000
Item Weight1 pounds
Product Dimensions6.1 x 2.6 x 5.1 inches
OriginMade in USA
Item model numberCG511A1000/C
SizeMedium
ColorWhite
Item Package Quantity1
Batteries Included?No
Warranty Description1 Year Product Warranty
  
Additional Information
ASINB000BPGP6M
Best Sellers Rank #1,273 in Home Improvement (See top 100)
Shipping Weight1 pounds (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableAugust 18, 2006
  
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Product Description

From the Manufacturer

The CG511A Medium Sized Thermostat Guard protects thermostats from tampering in commercial and residential environments. Includes universal key and heavy duty lock.

Product Description

Ultra clear chemical and UV resistant acrylic resin cover and base resist yellowing. Secure, tumbler type key lock; key removable only in locked position. Double wall barrier in ring base blocks thermostat tampering tools, yet allows air circulation. Ring base mounts directly over existing thermostat; no removal required. Meets or exceeds UL pry test and impact test standards. All covers are keyed alike.

Customer Questions & Answers

Customer Reviews

Had a good pricing.
Betty L. Smith
I had to clip off plastic to make it fit around the thermostat.
David Fernandez
Very easy to install.
Rose

Most Helpful Customer Reviews

37 of 38 people found the following review helpful By Ashok Aiyar on January 20, 2011
Verified Purchase
I bought this thermostat guard to cover our Honeywell RTH7500D Thermostat. It's very easy to install and fits the Thermostat perfectly. After installation, we noticed that the thermostat didn't detect changes in temperature very effectively, and therefore didn't turn on and off as expected.

For example, in the heating cycle, our thermostat was set to 70 degrees, and when covered by the thermostat guard would continue to detect a temperature of 70 degrees even when the room temperature dropped to 65 degrees.

Thinking this might result from insufficient air circulation around the thermostat, I cut one inch diameter holes in the thermostat guard - 2 in each side, 3 in top, and 2 in the bottom. With these additional "ventilation" holes, the thermostat turns on and off as it did before I put the guard on.

I've uploaded an image of the thermostat guard as installed with the holes cut in it. It is very difficult to fiddle with the thermostat settings through the holes, so cutting the holes hasn't affected the function of the thermostat guard.

So, if your thermostat doesn't work as expected after installing a thermostat guard, you can improve the situation by cutting a few holes in the guard - the acrylic/Lexan is thick enough to be cut without cracking.
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38 of 39 people found the following review helpful By jules on December 22, 2008
I purchased this and does not fit even though I checked the dimesions. The dimensions are for the outside of the case and do not account for almost 1 inch on each side for the inner guard. Make sure to deduct almost 2" in your dimensions if you want to fit.
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62 of 67 people found the following review helpful By rwong on September 25, 2010
Verified Purchase
There are no dimensions on this web page!
I found the same product on a different web site, but their dimensions were wrong.
When I received my order, I found it way too small for my thermostat.
Here are the actual exterior dimensions: 7.5" W x 6.5" H x 2.75" D
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9 of 10 people found the following review helpful By Ken Treybig on January 20, 2008
Verified Purchase
This is exactly what we were looking for--locking thermostat covers to keep a better handle on our utilities expenses. The product description was accurate, the price was great, and installation was simple. We're extremely pleased.
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6 of 6 people found the following review helpful By tracyb24005 on March 11, 2012
Verified Purchase
It took about 5 minutes to install and is already saving me money by keeping the roommates from turning the heat up past 70.
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5 of 5 people found the following review helpful By paul on January 22, 2011
Verified Purchase
The dimentions given under the product description are the dimentions of the package. the product itself is a few inches smaller. I had to return it. Otherwise the product itself is of high quality and would have been given 5 stars.
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3 of 3 people found the following review helpful By D. Craig on June 29, 2010
Verified Purchase
I purchased the thermostat cover for our Honeywell RTH7500D and it fits - just barely. The proportions are off. The thermostat is rectangular and the cover is closer to square - resulting in about 1/8" clearance on either side of the thermostat and probably an inch on the top and bottom of the thermostat. I would have preferred a shape which more closely resembled the thermostat but oh well, it works.

Other reviewers have recommended that you measure, very carefully, the thermostat and the actual opening on the cover to be sure it suits your needs. I recommend that as well.

It does what it's supposed to do - keeps wandering, well-meaning fingers from fiddling with the settings. Our system was constantly being turned off which is silly because it's programmed to turn off when not needed and on when the space will be occupied.

Amazon's price on this cover was about 1/2 to 1/3 what I'd seen in local big box home centers...a savings even if you have to pay for shipping.
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3 of 3 people found the following review helpful By Spacely on April 30, 2010
Verified Purchase
Measure your thermostat! The interior opening is smaller than you think, subtract 2" from the advertised size . I bought 2 for my store, but had to return one for the larger model. My thermostats are a normal size with one cover control door that opened down, the other opened to the side. Both were very tight as it was, but the medium sized cover blocked the side door from opening, so I could not operate the thermostat. I would suggest just buying the large model and save yourself the hassle.
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