ControlTemp CT400 Advanced Tamper Proof Thermostat, 5.5''Wx3.75''Hx1''D
ControlTemp CT400 Advanced Tamper Proof Thermostat, 5.5''Wx3.75''Hx1''D
Couldn't load pickup availability
- 24/7 Customer Support
- Risk-Free 30-Day Returns
- Fast & Reliable U.S. Shipping
Contact Information
Contact Information
30-Day Hassle-Free Returns
30-Day Hassle-Free Returns
Not satisfied? Return your order within 30 days for a full refund or exchange — simple and easy.
✔ Easy return process
✔ Fast refunds
✔ No hidden conditions
Fast U.S. Shipping
Fast U.S. Shipping
We ship within the United States only — no international delays.
✔ Processing time: 1–2 business days
✔ Delivery time: 3–7 business days
✔ Real-time tracking available
👉 Track your order anytime from the header via Track Order
About This
- Tamper Proof Thermostat for landlords and commercial property owners.
- Adjustable Landlord Set Heat and Cool Set points
- Works with most system types, including Boilers, Furnace and Single Stage Heat Pumps
- Does not work with Multi Stage Systems or Electric Baseboard systems.
- Non-programmable
- Customizable Security Code for landlord to set Heat and Cool Set Points. - No Reset Button
- Backup Batteries - Operates during power failures
- ***Coming Soon*** Exclusive Access to Secure Owner Website for Security Information, Security Code Registration and Videos
- Thermostat fully functional without access to Secure Owner Website and without registration
- Service Reminders (Filter changes)
- Control type: Button Control
- Item shape: Rectangular
Overview
- Brand : ControlTemp Thermostats
- Model Name : ['CT400']
- Product Dimensions : 1"D x 5.5"W x 3.75"H
- Controller Type : Push Button
- Special Feature : Compatability: Single Stage HVAC Systems Only, Customizable 2 Digit Passcode, Non-Programmable

WE MAKE SMART LIVING SIMPLE.
OUR TEAM HELPS SECURE YOUR HOME.
SmartHomeValueHub helps homeowners create safer, smarter, and more convenient living spaces with trusted smart home solutions built for everyday life.
From smart security cameras and smart locks to video doorbells, thermostats, lighting, and home automation essentials — we focus on products that improve real comfort, safety, and efficiency.
Our goal is simple: better protection, lower energy costs, and smarter daily living for every home.
Why Homeowners Trust SmartHomeValueHub
✔ Easy Setup
✔ Matter Compatible
✔ Smart Security
✔ Energy Saving
50K
HaSMART DEVICES INSTALLEDppy Clients
15+
YEARS OF SMART HOME EXPERTISE
98%
CUSTOMER SATISFACTION RATE
365
RELIABLE SUPPORT YEAR-ROUND
Smarter Security. Lower Bills. Easier Living.
SMART HOME FAQ
Yes — many modern devices support multiple platforms.
Matter-certified devices can work across Alexa, Google Home, and Apple HomeKit at the same time.
Not always.
Smart bulbs, plugs, cameras, and video doorbells are often easy DIY installations, while full security systems may need professional setup.
Many devices still work manually or through local control.
You may lose remote app access, but locks, lights, and thermostats often continue basic functions.
Security depends on the device and setup.
Use strong passwords, trusted brands, firmware updates, and secure Wi-Fi for better protection. Privacy and unauthorized access are common concerns in smart homes.
Most homeowners start with:
Smart Security Cameras
Smart Door Locks
Smart Thermostats
Smart Plugs
Video Doorbells
Yes.
Smart thermostats and smart plugs help reduce wasted energy by automating heating, cooling, and power usage.
It depends on your ecosystem.
Alexa → widest compatibility
Google Home → strong for Android users
Apple HomeKit → best privacy
Home Assistant → advanced control
Smart Home Tips, Trends & Buying Guides