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What Type of WiFi Does the 4iE Use?

1 min read · Updated Jun 2026

4iE Smart WiFi Thermostat

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The 4iE Smart Thermostat connects using 2.4ghz WiFi.

Watch the video below to learn how to connect your 4iE Thermostat to WiFi:

Subscribe to our YouTube channel for more instructional videos.

Should I perform a Reset or Power Cycle my 4iE?

What is System Power on my 4iE and how can I edit it?

Browse other topics

Programming

Can I add a 4iE and a 6iE on my MyHeating account?
Can the 4iE be connected to Samsung Home?
Can the MyHeating app have multiple users?
How do I change my password using the MyHeating app?
How do I change the language using the MyHeating app?
How do I set a program using the MyHeating app?
How do I set the time and date on my thermostat?
How do I upload a custom background to my 4iE?
How does the open window function on my Smart Thermostat work?
How to check my daily usage through the MyHeating app?
How to open the main menu
How to perform a manual override using the MyHeating app?
How to Set a Weekly Heating Schedule on Your Warmup Thermostat
How to turn on frost protection using the MyHeating App?
Internet to 4iE: How to connect the 4iE to the Internet?
What are the dimensions of the 4iE custom background image?
What is the lock icon on the 4iE Smart Thermostat?
How do I cancel an override?
What does cancel heating off mean?
How do I connect my 4iE to WiFi?
What is a setback temperature and how do I set it?
How can I adjust the thermostat temperature temporarily?
How do I set the time and date on the 4iE?
How can I tell AM from PM on the 4iE?
What is a fixed temperature and how to I set or change it?
How do I find the MAC address of the thermostat?
How do Warmup thermostats work?
How do I register a 4iE Thermostat?
How do I enter a space in my WiFi Password on the 4iE?
What are heating limits?
How to: Initial 4iE Programming
Can I turn my thermostat above 86°F?
How do I get into my thermostat if I forgot the password?
Control of Baseboard Heaters by the 4iE
Should I perform a Reset or Power Cycle my 4iE?
What Type of WiFi Does the 4iE Use?
What is System Power on my 4iE and how can I edit it?
Where Do I Find my 4iE’s Device Number?
How Do I Enable to SmartGeo Feature on the MyHeating App?
How to Set Up a Program Using the MyHeating App
Does the 4iE have a Battery Backup?
Why won’t my background picture upload on my 4iE?

Installation

Can I swap my 3iE to a 4iE or Tempo?
Can I upgrade to the 6iE?
Can my sensor probe be extended?
How do I check if the cable is working ?
Internet to 4iE: How to connect the 4iE to the Internet?
Thermostat Mounting
Can you trim the floor sensor?
How do I register a product warranty?
How is the 4iE wired?
Can I mount my thermostat anywhere?
Mounting a 3iE/4iE thermostat in Canada
How Do You Add a Room using the MyHeating App?
Where do I place the sensor probe when installing the DCM-PRO cables?
How many heating systems can be connected to one thermostat?
Make sure that the floor probe that came with the floor heating thermostat was installed and done so properly.
Can baseboard heaters be controlled by the 4iE?

Wiring

Can I swap my 3iE to a 4iE or Tempo?
Can I upgrade to the 6iE?
How many relays can a single thermostat control?
Thermostat Mounting
Can I use the 4iE with another type of heating?
How far away from the thermostat can the relay be mounted?
Can multiple relays be used?
How is the 4iE wired?
Mounting a 3iE/4iE thermostat in Canada
Can baseboard heaters be controlled by the 4iE?

Miscellaneous questions

Can I upgrade to the 6iE?
Can I use the 4iE to control my Air Conditioning unit (A/C)?
Can my thermostat connect to Google Home?
How can I turn my system on or off completely?
How Do I Identify Which Warmup Thermostat I Have?
How do I upload a custom background to my 4iE?
Is an electric floor heating thermostat the same as regular thermostats?
When I push the test monthly button on my thermostat, the screen goes red and tells me to call Warmup. Should I be worried?
Why does my thermostat read a percentage (Regulator Mode)?
Why does my thermostat set into open window function and decreases my set temperature?
How do you update software on a 4iE thermostat?
How to change the location setting on the 4iE?
Do I need to use the WiFi on my smart thermostat?
Why is my thermostat screen going dark?
How to Unregister your 4iE Thermostat
How to Edit Currency Type on your 4iE thermostat
How to switch from Celsius to Fahrenheit (or vice versa) on your 4iE thermostat
How to Edit Energy Cost on your 4iE thermostat
4iE Features Only Available through the MyWarmup Portal
Does Warmup Underfloor Heating Comply with Title 24?
Can my thermostat connect to Alexa?
How do I turn off the Backlight on my 4iE Thermostat?
Does the 4iE have a Battery Backup?

Troubleshooting

Connected to the internet and getting the “!” message on 4iE Thermostat?
Ground Fault Error: What does this Mean if my Thermostat has “Ground Fault Error” on the Display?
If I’ve Registered an Account, Why Does my 4iE Still Have an ‘!’ on the Screen?
Is it normal if I hear a clicking noise from my thermostat?
What does “ER1” on the thermostat display mean?
What does it mean if my thermostat reads “overload” on this display?
What does the ‘!’ mean on my 4iE Screen?
Why is my floor heat not working even though there are no error messages on my thermostat?
Why is my floor temperature reading incorrect?
Why is my thermostat flashing?
Why Won’t My 4iE Connect to the Internet?
How do I perform a GFCI Test on my thermostat?
Why does my thermostat say test monthly?
What can I do if my old thermostat has stopped working?
Why is my thermostat display sideways?
Why wont my thermostat hold information?
Why is my thermostat stuck on the Warmup screen?
How do I conduct a floor probe test?
ER1 on the Thermostat Meaning
Should I perform a Reset or Power Cycle my 4iE?
Why is my 4iE Showing an ‘!’ on the Screen?
Where do I place the sensor probe when installing in-slab cable?
My Floor Heating System Keeps Tripping
Make sure that the floor probe that came with the floor heating thermostat was installed and done so properly.

Preparing for your project

Do Warmup thermostats zone?
Does every room with floor heat need its own thermostat?
How many relays can a single thermostat control?
Does Warmup Underfloor Heating Comply with Title 24?

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