How Many Heating Mats or Panels Can Be Connected to One Thermostat?

Further Questions?

Troubleshooting
- 6iE Troubleshooting 2025
- How do I peel off the screen protector on the 6iE Mini?
- How do I peel off the 6iE’s screen protector?
- The 4iE wont let me set above a certain temperature ?
- Why is my 3iE coming on during off periods?
- Why is my 4iE coming on during off times?
- Why is my 4iE Screen blank ?
- The air temperature on my 4iE is not right
- 4iE cannot find my SSID WiFi name
- How many sensor settings does the 3iE have?
- What can I do if the heater is too big for my area?
- Why is the DCM-PRO mat not sticking to the subfloor?
- What if I damage the Foil Heater during / after installation?
- What if I damage the StickyMat Heater during / after installation?
- What if I damage the Loose Wire Heater during / after installation?
- What Does Heater Error mean on the 3iE thermostat?
- What does the Error Message on my Tempo Mean?
- Does the 4iE have a battery backup?
- Why won’t my background picture upload on my 4iE?
- Why does my 4iE thermostat read a percentage?
- Why is my 4iE connected to Internet But Showing an ‘!’ on the Screen?
- Why Won’t My 4iE Connect to the Internet?
- What does it mean if my 3iE thermostat reads “overload” on this display?
- What does “ER1” on the thermostat display mean?
- My thermostat reads error message “ER2” on the display?
- What if my Warmup thermostat screen is black and won’t turn on?
- Why is my floor not reaching the temperature set?
- Why is my floor not heating but there are no error messages?
- Why does my thermostat trip when I switch on my Underfloor heating ?
- My thermostat says system is on but the floor is not heating up?
- When my screen goes dark, will my floor continue to heat?
- My 3iE/4iE thermostat reads “ER1 Out” on the display?
- Does the 3iE have a battery backup?
Programming
- How do I set or cancel an override on the Element WiFi Thermostat?
- How do I switch between fixed and scheduled temperatures on the Element WiFi Thermostat?
- How do I turn off open window detection on the Element WiFi Thermostat?
- How do I set up the Element WiFi Thermostat without WiFi?
- How do I set up the Element WiFi Thermostat with WiFi?
- How do I set up a programme on the Element WiFi Thermostat?
- How do I lock and set a PIN on the Element WiFi Thermostat?
- How do I change the setback temperature on the Element WiFi Thermostat?
- How do I change the colour theme on the Element WiFi Thermostat?
- How do I adjust the brightness on the Element WiFi Thermostat?
- How do I change the on-off times of the Warmup Tempo Programmable Thermostat?
- How do I change the mode on the Warmup Tempo Programmable Thermostat?
- How do I access the installer settings on the Warmup Tempo Programmable Thermostat?
- How do I test a Warmup Underfloor Heating system floor probe?
- How do I set or change the time on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I set or change a date on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I set a weekday and weekend programme on the Warmup 3iE Thermostat?
- How do I set a standard programme on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I override the temperature on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I make use of the energy-monitoring function on the 3iE Thermostat?
- How do I edit the cost per KWH on the Warmup 3iE Energy-Monitoring Thermostat?
- How do I add a period on the Warmup 4iE Smart WiFi Thermostat?
- How do I set a programme on the Warmup 4iE Smart WiFi Thermostat?
- How do I delete a period on the Warmup 4iE Smart WiFi Thermostat?
- How do I change the background theme to clock on the Warmup 4iE® Smart WiFi Thermostat?
- How do I change a period on the Warmup 4iE Smart WiFi Thermostat?
- How do I cancel an override on the Warmup 4iE Smart WiFi Thermostat?
- How do I set up the 6iE Mini with WiFi?
- How do I turn off open window detection on the 6iE Mini?
- How do I set or cancel an override on the 6iE Mini?
- How do I set a pin on the 6iE Mini?
- How do I change to fixed temperature mode on the 6iE Mini?
- How do I change the setback temperature on the 6iE Mini?
- How do I change the colour theme on the 6iE Mini?
- How do I adjust the brightness on the 6iE Mini?
- How do I set an override on the Warmup konekt app?
- How do I set up a programme on the Warmup konekt app?
- Can I change the setback temperature on the 6iE?
- How do I set a fixed temperature on the 6iE?
- How do I lock and set a pin on the 6iE?
- How do I set up the 6iE with WiFi?
- Can I set up the 6iE without WiFi?
- How do I set a programme on the 6iE?
- How do I change the background on the 6iE?
- Can I adjust the 6iE’s brightness?
- Can I turn off open window detection on the 6iE?
- How do I set the clock theme on the 6iE?
- How do I set an override on the 6iE?
- Why can’t I program my 4iE to read air temperature?
- Why can’t I program my Tempo to read air temperature?
- Why is my 3iE coming on during off periods?
- How to set the number of programs per day on TSTAT?
- Setting the Time and Day on Easy TSTAT Flap
- How to programme times and temperature on OCC2
- How to reset the OCC2 thermostat
- How to set the Time and Day on OCC2
- How do I view my energy usage and set up Energy Monitoring on the XSTAT?
- How does Tempo thermostat work?
- What is Active Energy Management?
- How do I connect the 4iE® to your WiFi?
- Where do I find my 4iE’s Device Number?
- When Should I Select? Air vs. Floor when Programming my thermostat?
- How can I change from Celsius to Fahrenheit on my thermostat?
- Why can’t I program my 3iE to read air temperature?
Insulation FAQs
- What Is the Purpose of a Dual Overlay System?
- Do I Need Additional Glue or Adhesive for the Base Board and Top Board?
- Can the top boards of the Warmup Dual Overlay be laid straight down onto base boards following the same pattern?
- Why should I use insulation boards on a concrete base?
Thermostats and Apps FAQs
- When making the electrical connections to the thermostat, how many heaters can I fit into the terminals before needing a junction box?
- Can I Install a Thermostat Myself?
- Can I Use One Thermostat If the Total Load Exceeds 16 Amps?
- How Many Heating Mats or Panels Can Be Connected to One Thermostat?
General UFH FAQs
- Can I install underfloor heating without raising the floor?
- How efficient is underfloor (radiant) heating?
- Can Underfloor Heating Heat an Entire Home?
- What Is the Difference Between Radiators and Underfloor Heating?
- What is underfloor heating?
Electric UFH FAQs
- How Much Does It Cost to Run Electric Underfloor Heating?
- Is electric underfloor heating safe?
- Can I use Warmup electric floor heating systems as a primary heating source?
- Can Underfloor Heating Cables Be Shortened?
- I have installed under tile heaters, how long should I wait before turning on the underfloor heating?
- I am about to lay a Loose Wire underfloor heating system, should I use primer?
- I am ready to install the underfloor heating but realised that the floor sensor cable is too short. Can the floor probe or power supply cables be extended?
- I am testing the underfloor heating system to see if it works, what setting should the multimeter be on to test floor probes?
Prepare Your Project
- Use with Warmup Primer
- Can I use other Warmup Heaters with the Underlay/ Dual Overlay?
- How is Dual Overlay sold?
- Why do you recommend Insulation Boards on a concrete base?
- What does R Value mean ?
- What are Warmup Insulation Board made from?
- Where Can Insulation Boards Be Used?
- Can I use the Warmup Loose Wire System as a primary heat source?
- Can the DCM-PRO System Help Prevent Cracked Floor Tiles?
- Can I install my Warmup system directly on top of plywood?
- Warmup Insulation Boards: Preparing for the Installation of Floor Heating
App / Portal 
- How do I set an override on the Warmup konekt app?
- How do I set up a programme on the Warmup konekt app?
- How do I set the setback temperature on the Warmup konekt app?
- How do I set up the Warmup konekt Smart Hub?
- How do I add Traffic alerts to my 4ie?
- How do I add or change the energy costs on the 4iE?
- Does the Myheating App have Data Protection?
- How Do I Enable to SmartGeo on the MyHeating App?
- How do you add a Room using the MyHeating App
- How do I upload my own background to my 4iE?
Connecting to Other Services
- How do I set the setback temperature on the Warmup konekt app?
- How do I set up the Warmup konekt Smart Hub?
- Can the 4iE be used with Alexa?
- What Home Automation Systems are the 4iE Compatible with?
Installation Heater
- Is there a video guide for installing the Electric Floor Heating Mat?
- How to test my underfloor heating?
- How do I fix the insulated underlay to the subfloor?
- Is the insulated underlay required with the foil system?
- Is the Dual Overlay fixed to the subfloor?
- Where should I place the floor sensor?
- When can I turn my underfloor heating on?
- Can the Inscreed Cable System be laid directly onto insulation material? (i.e. single pour)
- How thick is the screed used with the system?
- Can the Inscreed Cable System be shortened?
- Should I use primer with the Loose Wire System?
- How does the DCM-PRO cable fit into the DCM-PRO mat?
- How thick is the DCM-PRO Cable?
- What if I damage the DCM-PRO during / after installation?
- Can the DCM-PRO be used in wet rooms?
- When should you use an SBR based primer with DCM-PRO?
- What are the Dual Overlay board made from?
- How do I cut the Dual Overlay boards?
- Can the Dual Overlay be used in wet areas?
- Can the Foil Heater be used in wet areas?
- Can the Foil underfloor heater be cut and turned?
- Where do I place the floor probe when installing the DCM-PRO ?
- Can you heat under glass mosaic tiles ?
- When should I check my resistance readings for the DCM-PRO cables?
- How do I install the DCM-PRO Factory Joint?
- How long is the cold lead on the DCM-PRO Cable?
- What spacing should my DCM-PRO Cable be?
- Can I use an Ditra matting with the DWS cable ?
- What type of adhesive should I use with my Warmup system?
- Can Warmup electric heating be installed in a shower?
- Can a wooden floating floor be installed directly over the Warmup DWS or Stickymat system?
- Can I cut the Electric Floor Heating System if I have too much?
- Can I cut my floor heating mat if it’s too large?
- How to install a floor heating mat around a drain in a shower.
- How do I install the factory joint which is thicker than the heater wire?
Compatibility
- Can the foil heater be used under tiles?
- Can the foil heater be installed under a glued wood floor ?
- What floor finishes can be used with the DCM-PRO System?
- What flooring can the Dual Overlay system be used under?
- Can the Foil Heater be used with Carpet or Vinyl?
- What types of Flooring can the Foil Heaters be used under?
- Can I use the StickyMat System with floor coverings other than tiles?
- Can I use the Loose Wire System with floor coverings other than tiles?
- Do I choose cable or mat electric floor heating systems?
Compatibility and Installlation Heater
- Can I use an alternative underlay instead Warmup’s underlay?
Miscellaneous questions
- What is the difference between Tempo and the 3iE Thermostat?
Electrical Installation 
- Do you need to use grounding nets with the Foil Heater?
- Can I use one thermostat to control multiple Foil Heaters ?
- Can more than one StickyMat Heater be controlled by the same thermostat?
- Can more than one Loose Wire System be controlled by the same thermostat?
- Can Underfloor Heating Systems Be Connected in Series?
- What Are the Electrical Requirements for an Electric Underfloor Heating System?
Wiring
- How Do I Wire my Tempo Thermostat?
- What size back box should be used for Mounting a 3iE/4iE thermostat ?
- Can I upgrade my 3iE to a 4iE?
- Can my floor sensor be extended?
- Where do I connect the earth from the underfloor heating ?