Wiring

Can I Have Another Thermostat as an Acting Relay? When you have multiple floor heating systems being powered that require more than 15amps, you can...

Can I install a 120V mat on one leg of a double pole breaker? There is no neutral leg on a double pole breaker and the polarity between the two...

Can I swap my 3iE to a 4iE or Tempo? Yes. The box and mounting requirements are identical for all horizontal Warmup thermostats and the sensor...

Can I upgrade to the 6iE? Do you have an old Warmup thermostat that you'd like to upgrade to the 6iE? Learn...

Can I upgrade to the 7iE? Do you have a previous version Warmup thermostat that you'd like to upgrade to the 7iE?...

Can I use the Commbox or Resibox with single phase electric? The BOX system can be used with single-phase electric power. Click "Read More" for details.

Does the ASE snowmelt controller have built in GFCI? No, the ASE series does not have built in GFCI. Please click "Read More" for details. 

Does the SNOPRO-100 require a high-limit sensor? Yes, both versions of the SNOPRO-100 require the high-limit sensors to be wired (terminals 10 &...

Floor Probe Installation Instructions The thermostats come with a 9’ sensor cable to detect the temperature under the floor finish....

How do I wire a single towel warmer bar? In order to wire a single towel warmer to code, you must follow the kit and...

How do I wire my Relay-25? This Relay-25 fits in a standard single gang box. It is used in conjunction with the...

How do I wire my snowmelt system to the ETO2? This page describes the ETO2 Controller and how it requires the installer to wire an external...

How do I wire the TRF115-005 with 240Vac Heating cable(s)? Find useful TF115-005 Controller wiring information here for pipes, ducts, and sprinklers to prevent the destructive...

How many Mats or Amps can I connect to the CommBox? The CommBox-600 is equipped with four (4) 50Amp 3-Phase relay contactors. This means that at 2-phase,...

How many relays can a single thermostat control? If you are planning for a large project, Warmup recommends limiting the number of relays controlled...

How to Install an EZPT Thermostat Learn how to install Warmup's EZPT Easy Programmable Thermostat to control your underfloor heating system.

How to replace your current thermostat with a 7iE Thermostat If you already have a Warmup Thermostat installed and would like to replace it with the...

I nicked the wire slightly; do I need a repair kit? When slight damage is caused to the wire, a visual assessment needs to be made. Read...

If I have too much mat or cable, can I cut it? No, you should never shorten the heating wire. Click "Read More" for details.

Is the CIT-1 sensor high or low voltage? Low Voltage

Is the electric floor heating system wired correctly? Be safe and follow these important reminders before troubleshooting your floor heating system.  Click "Read More"...

Is the SIT-6E sensor high or low voltage? LOW volatge

Should I use a 120V or 240V electric floor heating system? Both 120Vac and 240Vac Warmup heating cable(s) output the same amount of power (wattage) per square...

What are the amperage capabilities of each Box at each voltage? The amperage capacity of the Resibox is 120A and for the Commbox it is 230 Amps....

What are the electrical requirements for my Warmup system? Please verify that the circuit can handle the amount of amperage your heating system requires. Your...

What gauge wire should be used for the CIT-1? 12 AWG or 18 AWG depending on the distance from the controller. Click "Read More" for...

What gauge wire should be used for the GIT-1? 12 AWG or 18 AWG depending on the distance from the controller. Click "Read More" for...

What gauge wire should be used for the SIT-6E? 12 AWG or 18 AWG should be used depending on the distance from the controller. Click...

What if my thermostat screen is black and won’t turn on? If your thermostat has no display and will not turn on when power button is pushed,...

What is an RC Snubber? A snubber is a device that is used to limit (or “snub”) voltage transients in electrical...

What is the EMF level of Warmup cables? Our cable was tested and measured 0.5 mG at 1/2” (a typical distance between the cable...

What is the lead length for mirror defoggers? Looking for the lead length of the Warmup mirror defoggers to plan for wiring on your...

What is the maximum load of the 7iE Thermostat? Wondering about the maximum load of the Warmup 7iE thermostat? Find the information you are looking...

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...

Will the Electric Floor Heating System Work Without the Floor Sensor Probe? While you can operate your floor heating system without the floor sensor probe it is better...

Wiring the DS-9 Controller If you are looking for instructions to wire the ds-9 controller look no further. This post...

How to wire CDP-2 Find useful information here for wiring the CDP-2 remote control.

Can you wire floor heat for 120 or 240 volt? Warmup thermostats are dual-voltage but must be wired to match the heaters voltage. Learn more about...

Thermostat Mounting Are you installing a Warmup thermostat and looking for mounting information? Find the mounting diagrams you...

Can I use the 4iE with another type of heating? Are you wondering what kind of heating you can connect the 4iE thermostat to? Learn the...

How far away from the thermostat can the relay be mounted? Are you wondering about the mount location of your relay? Learn more about mounting your relay...

Can multiple relays be used? Do you have a large project that you'd like to use multiple relays for? Learn more...

What is the snow melting cable rating? The WSM (Warmup Snow Melting cable) or WSMM (Warmup Snow Melting Mat) is commonly used in...

How is the 4iE wired? We hope that the below clip will assist in wiring your 4iE thermostat. For wiring diagrams...

Do Warmup outdoor controls have GFEP protection? Are you planning an outdoor heating project? Learn more about GFEP protection in different Warmup outdoor...

What gauge wire should be used? Are you looking for gauge recommendations for a Warmup installation? Find the information you need here...

What is the largest breaker allowed by code to power a snow melting system? If you have a large outdoor snow melting project you may be wondering what the largest...

What is the difference between a Watch Dog and an Alligator? It is important to test underfloor heating cables before, during, and after installation with the proper...

Ground Sensor ETOG-56 – Wiring Diagram Click "Read More" for detailed wiring instructions for version 2.

Mounting a 3iE/4iE thermostat in Canada In order to properly mount your 4iE thermostat, you will need a back-box as well as...

Installation Reminders for the In-slab Cable Always make sure to encapsulate the factory joint in thin-set or floor leveler. It must never...

How many Floor Heating Systems can be Connected to one TH115 Floor Heating Thermostat? When multiple floor heating systems need to be controlled by one thermostat there are guidelines to...

How to Wire the TH115 Floor Heating Thermostat Follow these simple wiring instructions.  Always use a licensed electician.  Click "Read More" for details.

Mounting the TH115 Floor Heating Thermostat Follow these simple mounting instructions.  Click "Read More" for details.

How to check the resistance readings of your electric floor heating system. To ensure that the floor heating system will function properly, always check the resistance readings of...

How do I wire my WSM-63 to my DS2 controller? The 120V coil of the WSM-63 is powered between the one leg of 240VAc and a...

How do I wire my WSM-63 to my ETO2 controller? Start Wiring your Thermostat by Pulling Power from Terminals 2 and 5 Wiring the WSM-63 and...

How Do I Wire my Tempo Thermostat? Wiring your Tempo thermostat is simple and straightforward. 

How Long Can You Extend the Lead on the Snowmelt System? The maximum length Warmup recommends you can extend your snowmelt systems lead is 90'.

Can the ETOG Sensor Lead be Extended? Yes, the sensor lead can be extended up to 200 meters using same gauge cable. Total...

How Do I Mount a Warmup Towel Warmer? This post explains how to mount and position your Towel Warmer properly in your space.

Do I need to connect my Towel Warmer to a thermostat? This page explains the different circumstances in which you might wire your Towel Warmer to a...

How do I know which voltage to run to my DCM-PRO cables? This page explains how to determine which voltage to run to your DCM-PRO heating system.

Where do I run the cold lead and sensor probe during DCM-PRO installation? The cold tail lead and the sensor probe should be run in separate conduits. This will...

Do you have to wire the floor sensor probe that comes with the 3iE thermostat? That floor probe is an important part of having your floor heating system function properly.  Click...

How to wire the 3iE Energy-Monitoring Floor Heating Thermostat Learn how to wire your 3iE and probe for both 120V and 240V configurations.  Always use...

How To Wire the DS-2C Controller? Take a look at the wiring configuration of the DS-2C controller.  Click "Read More" for details.

Wiring the DS-5 Controller Take a look at the wiring configuration of the DS-5.  Click "Read More" for details.

DS-8 Controller Wiring Take a look at the wiring configuration of the DS-8.  Click "Read More" for details.

ETOG Wiring The ETOG snow and ice melting ground sensor must be wired to specific terminals inside the...

Additional Wiring of the TRF115-005 Click "Read More" for additional wiring instructions for your roof and gutter snow and ice removal...

How to wire the WUDG floor heating thermostat Uncomplicated wiring instructions for Warmup's WUDG floor heating thermostat at your fingertips. Always use a licensed...

Basic Installation of the In-slab Floor Heating Cable Warmup In-slab Floor Heating Cable is designed to be placed within the cement slab of at...

Can baseboard heaters be controlled by the 4iE? This page explains how to wire and program the 4iE thermostat to work with baseboard applications.