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Your cart is empty.Small, clear thermostat guard prevents unwanted/unauthorized temperature on your thermostat. Includes built-in lock and key. Fits the following Honeywell thermostat models: CT87, CT3x without the wall plate and the RTH5100B (guard must be removed to access this product's battery door). May fit other thermostats of similar size. Interior dimensions: 4-7/16 W x 4-7/16 H x 2-1/4 D (inches). Outside dimensions: 5-7/8 W x 5-7/8 H x 2-1/2 D (Inch). Includes: cover, base, lock and key, and mounting hardware.
Patrice
2025-08-17 12:52:22
The size was excellant easy to install à nd the device function well
Chris Slaughter
2025-08-06 15:51:19
Easy to install and works perfect
Powertow
2025-07-31 14:52:26
Very easy to install with wood glue clear no screws needed no need to worry about anyone turning system up or down very secure easy to lock and unlock don’t think about it just buy it
Harry
2025-07-30 17:24:19
Well, this was a perfect size for my ecobee light thermostats, the fronts come a little scuffed, not a big deal but worth noting. If they were packaged better, this would not occur. I would suggest better packaging that protects the plastic in shipping.. I still recommend these and have no complaints otherwise. They do exactly what I need.
Joe Myers
2025-07-17 12:05:50
Bought four for our church.Great thermostat covers for Nest Thermostats.I need these because people would occasionally bump into it and even tho the thermostats are set in the lock mode, it would cause it to set to a hotter default temp.Now I don’t have to worry about someone messing with them.
Pratik Dey Sourav
2025-06-20 15:46:05
The keys are missing when the product arrived. What is the point of sending the item when the main item is missing. Write in the description of what is included in order not to deceive customers.
Paul Goodman
2025-06-17 17:52:24
I was about to write a great review of this cover. It fits an Ecobee perfectly. And it's not too big, unlike some other covers project out too far. It's easy to install. It looks like it would protect your thermostat.BUT - it's easy to break the plastic cover into lots of little pieces. A child did that to mine with her bare hand. That makes it useless.Now I have to find something that is made of much stronger plastic.
Theresa Cee
2025-06-14 20:43:47
I bought this a year ago in 2022 after a family member came over my house and changed my NEST thermostat temperature. However, I just now installed it in Summer 2023 because it was changed a second time. I love the fact that it has keys, but the BEST part is that now no one can walk past my thermostat and see that it’s set to “Polarâ€. The NEST thermostat does not light up anymore when someone walks past it. Huge plus! I’m absolutely in love and the price was great! TheresaCeeTV for more Amazon reviews etc.
Carolle Milord
2025-05-09 14:47:15
Value money and very good quality.
Talal
2025-03-30 14:07:41
It fits well even on other brands
Marianna Marzi
2025-01-24 13:40:50
Venditore poco serio e prodotto molto molto scadente
Cliente de Kindle
2025-01-10 13:21:44
Los instalé para termostatos Honeywell y funcionan perfecto se ven bien pero se rayan con facilidad de 15 unidades que compre 10 venÃan rayados por la fricción que hace el plástico contra el acrÃlico, sólo no me gusta que se retire completa la tapa, deberÃa funcionar con bisagras, pero es general lucen bien.
Review Writer
2025-01-07 19:56:40
Rating: âââââ (5/5)The Honeywell Home Thermostat Guard is a must-have accessory for anyone looking to safeguard their home's heating and cooling system. This unassuming little device has provided me with peace of mind and protection for my thermostat, earning a solid 5-star rating.**Robust Construction:** The first thing that impressed me is the build quality. This guard is built like a tank. It's made of durable materials that can withstand accidental bumps and even more substantial impacts. I have no doubt it can protect my thermostat from damage.**Tamper-Proof Design:** The tamper-proof design is brilliant. It comes with a lock and key, ensuring that no one can access or tamper with the thermostat settings without authorized access. This is particularly handy if you have mischievous kids or roommates who like to fiddle with the temperature.**Easy Installation:** Installing the guard was a breeze. It fits snugly over most standard thermostats, and the included mounting hardware and clear instructions made the process quick and hassle-free. You don't need to be a DIY expert to get this in place.**Clear and Discreet:** The guard's design is discreet and doesn't draw attention to itself. It's clear, so it doesn't clash with your room decor or thermostat display. Plus, the see-through cover ensures that you can still view and adjust the thermostat settings easily.**Universal Compatibility:** I appreciate that it's designed to fit a wide range of thermostats, making it a versatile choice for most households. You don't have to worry about compatibility issues.**Essential Protection:** Beyond just protecting the thermostat from tampering, it also shields it from dust, dirt, and accidental spills. This extends the life of the thermostat and ensures that it continues to function optimally.**Conclusion:** The Honeywell Home Thermostat Guard is a simple yet indispensable addition to my home. It offers robust protection, tamper-proof security, and easy installation. If you value the comfort and functionality of your thermostat, this guard is an investment that's well worth it. I highly recommend it, and it definitely deserves a 5-star rating. âââââ
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