DUALUDG-4999 Thermostat

DUALUDG-4999 is a digital thermostat with 4 easy-to-program On/Off settings per day. The master thermostat can be combined with one or more relays to heat large areas. It is c-UL-us listed and suitable for wet room installations, thanks to built-in Class-A GFCI. Comes with a 3-Year Warranty. Download User Manual below.

Can I still install my snowmelt system with expansion joints in the concrete?

Yes, however careful planning will be needed to avoid any issues when the expansion joints are cut. Click “Read More” for details. 

Un-Mounting Your Thermostat

Please click “Read More” for instructions on how to un-mount your thermostat

What if my thermostat says system is on however the floor is not heating up?

If you installed your thermostat over 3 years ago and it seems to be functioning the same, however your floor is no longer heating up, call your electrician. Click “Read More” for details. 

Installation of Snow Melting Mats/Cable under Concrete

Take a look at a helpful dissection of this type of installation.  Click “Read More” for details.

Installation of Snow Melting Mat/Cable under Asphalt

Take a look at a helpful dissection of this type of installation.  Click “Read More” for details.

Installation of Snow Melting Mats/Cable under Pavers

Take a look at a helpful dissection of this type of installation.  Click “Read More” for details.

Basic Installation under Asphalt, Concrete or Pavers

Regardless of which material will be covering your snow/ice melting mats or cable, you will need to follow these important reminders.  Click “Read More” for details.

How to wire the DUALUDG-4999 floor heating thermostat

Uncomplicated wiring instructions at your fingertips.  Always use a licensed electrician.  Click “Read More” for details.

Why are my floor heating system resistance readings not the same after several years?

After getting a “Ground Fault” error on your thermostat you may find out your heating system resistance reading are off.  Click “Read More” to learn why.

My floor heating system keep tripping

One thing to consider is whether you have GFI protection on the thermostat and the breaker simultaneously.  Click “Read More” to find out why.

How important is it to install the floor sensor probe?

Just because the floor heating system can operate with the included floor sensor probe doesn’t mean that it should.  Click “Read More” for important installation notes on this subject.

Installing a relay

Useful for when your floor heating system needs to draw more than 15amps, read these helpful details.  Click “Read More” for detailed explanations.

Do I choose cable or mat snow melting systems?

Both snow/ice removal options will be equally effective but we have outlined some factors to consider.  Click “Read More” to learn more.

Is an electric floor heating thermostat the same as a regular thermostat?

All thermostats are not created equal.  Click “Read More” for the answer.

Can I use the DUALUDG-4999 with other floor heating systems?

While this might be an option, caution should be exercised.  Click “Read More” for an explanation.

The heating system has a ground wire but the thermostat has no terminal for ground.

Not to worry, this is not a problem.  Click “Read More” for what to do.

How long does the thermostat keep my settings once the power has been shut off?

Power outages happen at your location sometimes.  How are your floor heating thermostat setting affected?  Click “Read More” for details.

How many heating systems can be connected to one thermostat?

When multiple floor heating systems need to be controlled by one thermostat there are guidelines to follow.  Click “Read More” for details.

My thermostat is on but it is taking too long for the floor to warm up/not heating up at all.

There are some things to check and questions to answer to troubleshoot this.  Click “Read More” for instructions.

Error Message – E2

Learn what to do if this message appears.  Click “Read More” for troubleshooting suggestions.

Error Message – E1

Learn what to do if this message appears.  Click “Read More” for instructions.

Error Message – E0

Learn what to do if this message appears.  Click “Read More” for instructions.

The GFCI light continues to come back on after pressing the reset button.

This indicates a potential issue with your floor heating system.  Click “Read More” for troubleshooting suggestions.

Basic Installation and Mounting the DUALUDG-4999 Floor Heating Thermostat

Learn how to quickly and easily install your DUALUDG-4999 floor heating thermostat. Click “Read More” for details.