WUDG Thermostat

WUDG 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.

My floor heating system keeps tripping

The GFCI in thermostats are Class A, which means below 5mA trip levels. This is a very sensitive trip level required by UL. There are several instances that could cause “spurious tripping” or “nuisance tripping” due to electrical noise on the circuit.

Error Message – E2

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

Installing a relay

When using a relay for your installation, its important to note that each relay will need its own dedicated 20 amp circuit.

Why does my heater have a ground wire but the thermostat has no terminal for ground?

The ground wire of the heater(s) must be directly connected to the ground wire of the supply.

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.

How to wire the WUDG floor heating thermostat

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

Un-Mounting Your Thermostat

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

Error Message – E0

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

How many heating systems can be connected to one thermostat?

This is dependent upon the amperage of the units that you are trying to install. Each thermostat can carry a load of 15 amps.

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. 

Error Message – E1

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

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.

Can I use the WUDG with other floor heating systems?

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

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.

Basic Installation and Mounting the WUDG Floor Heating Thermostat

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

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

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

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

In the event of a power failure, an internal circuit will maintain the programming and time. However, the time must be reset if the power failure exceeds two hours.