Can I add a 4iE and a 6iE on my MyHeating account?

Further Questions?

Troubleshooting
- 6iE Troubleshooting 2025
- What does the triangle with an exclamation mark (!) on my 6iE mean?
- What is the Control Period mean on my Warmup 6iE?
- What if the Sensor Probe Reads Higher or Lower than Actual Temperature?
- My Floor has No Heat but There Are No Error Messages?
- Are you getting a “Ground Fault” error after a few years?
- Why wont my 6iE connect to internet?
- Why is my thermostat flashing?
- How do I perform a GFCI Test on my thermostat?
- ER1 on the Thermostat Meaning
- My Floor Heating System Keeps Tripping
Programming
- How does the open window function on my Smart Thermostat work?
- How do I set a program using the MyHeating app?
- How to check my daily usage through the MyHeating app?
- How to perform a manual override using the MyHeating app?
- How to turn on frost protection using the MyHeating App?
- How do I change the language using the MyHeating app?
- How do I change my password using the MyHeating app?
- How do I set the time and date on my thermostat?
- How do I turn WiFi off on my 6iE Smart Thermostat?
- How do I set the time and date on the 6iE?
- How do I set into Manual Mode on the 6iE Smart Thermostat?
- What is Manual Mode?
- How do I upload a background to my thermostat using the MyHeating app?
- What is the lock icon on my 6iE Smart Thermostat?
- What does the triangle with an exclamation mark (!) on my 6iE mean?
- What is the Control Period mean on my Warmup 6iE?
- Can I add a 4iE and a 6iE on my MyHeating account?
- Why wont my 6iE connect to internet?
- Can the MyHeating app have multiple users?
- How do Warmup thermostats work?
- What are heating limits?
- How Do I Enable to SmartGeo Feature on the MyHeating App?
- How to Set Up a Program using the MyHeating App
Miscellaneous questions
- Why does my thermostat set into open window function and decreases my set temperature?
- Can my thermostat connect to Google Home?
- What are the dimensions of the 6iE custom background image?
- How can I turn my system on or off completely?
- Can I upgrade to the 6iE?
- Can my thermostat connect to Alexa?
Preparing for your project
- How many relays can a single thermostat control?
- What is the maximum load of the 6iE?
- What kind of heating is the 6iE compatible with?
- How big is the 6iE?
- Do Warmup thermostats zone?
- Does every room with floor heat need its own thermostat?
- Does Warmup work with other thermostats?
Wiring
- How many relays can a single thermostat control?
- Can I upgrade to the 6iE?
- Thermostat Mounting
- How far away from the thermostat can the relay be mounted?
Installation
- Can I upgrade to the 6iE?
- Thermostat Mounting
- Can you trim the floor sensor?
- How many heating systems can be connected to one thermostat?