Installation

Can a wooden floating floor be installed directly over the Warmup NADWS system? This page discusses installation methods required for installing a Warmup heating system under a floating wood...

Can I connect more than one Warmup heater to a thermostat? As long as all systems that connect to the thermostat do not exceed 15 amps, running...

Can I connect one Warmup heater to another in series? Connecting one system to the other in series is often referred to as "daisy chaining". Each...

Can I cut my floor heating mat if it’s too large? Instead, try pulling the cable off the mesh and spacing the cable every 2 or 2.5...

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 install a towel warmer bar horizontally? Warmup recommends towel warmers to be installed horizontal only. Towel warmer bars are designed to evenly...

Can I install my Warmup system directly on top of plywood? This page outlines installation recommendations when installing over a plywood sub-floor.

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 my sensor probe be extended? Yes, please click "Read More" for details.

Can radiant heating be installed on a pool deck? Are you wondering if you can install radiant heating around your pool? Unfortunately, this is not...

Can sheet vinyl be used on top electric under floor heat? Sheet vinyl is a great solution over an underfloor heating system as long as the vinyl...

Can Warmup Electric Heating be Installed in a Shower? This page discusses the recommended practices of installing Warmup mats or cables in a shower.

Can Warmup’s Foil be installed on stairs? Warmup's Foil heating system can not be installed on stairs or on walls. Warmup's Foil is...

Can you install Ultralight Insulation Boards under a Foil Heater System? Yes, you can install Ultralight under Foil Heater Systems. While the Ultralight Insulation Board will deliver...

Do I choose cable or mat electric floor heating systems? This page explains the difference of the mat and loose cable options but ultimately either the...

Do I need to use a primer with the Peel-&-Stick Membrane? The Peel & Stick Membrane requires a substrate to be smooth, clean, and dry for proper...

Do I need two downspout hanger kits if creating loop in downspout? Yes, two downspout hanger kits should be used to protect the heating cable from damage caused...

Electric Floor Heating Mat Installation Video Warmup electric floor heating mats are designed to make installation easy. Take a peek at our...

Floor Heating Loose Wire Installation Video Subscribe to our YouTube channel here.

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

Foil Installation Video See for yourself how easy installing our foil heating systems are.  Click here for the installation...

General installation notes for the Foil Heating System "Draw an installation plan showing the placement of the mats, floor sensor, and lead wire(s) to...

Heat Tracing Cable Installation Video Click here to view a Product Review and Installation Video of Warmup anti-freezing pipe system by...

How do I check if the cable is working ? The only way to see if the cable is going to work and is not damaged...

How do I install the factory joint which is thicker than the heater wire? If it is not installed in the floor, the joint may give and your system will...

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 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 do turn on my thermostat unit? To turn on your system once your thermostat has been installed, simply turn on the breaker....

How far away from the wall should floor heat be installed? Find our recommendations for distancing floor heat from walls in this post to ensure a perfect...

How far from the controller can the CIT-1 sensor be placed? Up to 2000'

How far from the controller can the GIT-1 sensor be placed? Up to 2000’ 

How far from the controller can the SIT-6E sensor be placed? Up to 2000'

How to Complete an Effective GIT-1 Installation Click "Read More" for instructions to install your GIT-1 sensor.

How to install a floor heating mat around a drain in a shower ? While you must NEVER cut the wire, the mat system is designed to allow you to...

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

How to Install Electric Underfloor Heating in a Shower Learn everything you need to know about installing underfloor radiant heating in a shower floor.

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...

How To Secure Roof Clips by Warmup This short video by Warmup shows how to secure roof clips.

How to terminate self-regulating cable Looking to terminate a self-regulating cable? This post provides a video demonstration as well as a...

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.

Installation of the CIT-1 Please click "Read More" for details. 

Installation of the floor sensor probe of the TH115 Floor Heating Thermostat Follow these simple instructions to install the floor sensor probe.  Click "Read More" for details.

Installation Tips for the DWM Heating Mat System You will want to review these electric heating mat system installation tips before you begin your...

Installing a Relay for Loads over 15 Amps When using a relay for your installation, its important to note that each relay will need...

Installing the FOIL System Under Carpet We have outlined some important reminders to ensure proper functioning of your Foil Floor Heating System....

Installing the Sensor Probe It is vital that the floor heating thermostat's floor probe was not only installed but done...

Installing the SIT-6E Click "Read More" for installation details. 

Internet to 4iE: How to connect the 4iE to the Internet? Warmup 4iE thermostats come with or without WiFi capability. If you have a 4iE with WiFi...

Is There Enough Power Being Supplied to Operate the System? Follow these suggestions related to your power source to ensure excellent performance of your floor heating...

Master/Relay (relay reading ER1) When setting up a large installation and connecting two or more thermostats as Master and Relays,...

Running Warmup De-Icing Heating Cable in a Downspout This short video shows how to run Warmup De-Icing Heating Cable in a Downspout.

Should I insulate underneath my snow-melting system? Adding insulation both under a slab and near its exposed edges reduces heat loss into the...

Specialized installation – under Nailed Hardwood Floor heating can work under nailed hardwood as well.  Click "Read More" for detailed instructions to...

The Factory Joint Rule The factory joint MUST be installed in the floor. Click "Read More" for details.

Warmup Heating Cable Installed on a Roof Here is an example of how Warmup Heating Cable could be installed on a roof.

Was your electric floor heating system installed directly on a concrete slab? Without a thermal break, the concrete acts as a heat sink. Therefore, the heat is drawn...

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 are the recommendations for using the Ultralight Insulation Boards? Our Ultralight Insulation Boards significantly reduce the time it takes to heat the floor, allowing the...

What do I do if I have too much or too little NAMSR cable during installation? consider tightening the triangles, whilst maintaining the proper height based on the overhang or use t-splices...

What do I need to prepare for my electric floor heating project? Before you order your floor heating system, there are a several things you can do in...

What if my TH115 Floor Heating 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...

What is a Dual Cable Tester and how do I use it? The Dual Cable Tester monitors up to two cables concurrently and monitors the integrity of both...

What is a Warmup Watchdog and how is it used? Warmup's Watchdog is simply a continuity tester. When installed correctly to a heating cable and turned...

What is the acceptable deflection for a floor that will be tiled? Tile Floor Deflection Traditionally, the accepted minimum requirement for floor rigidity is L/360 – before the...

What is the maximum thickness of tile over electric underfloor heating? There is no limitation for covering an underfloor heating system, however, the thicker the materials and...

What is the minimum clearance for heating cable(s)? The minimum clearance is 2 inches all around per our manual, with the exception of the...

What is the proper way to install Ultralight Insulation Boards? The perfect installation for Warmup Ultralight Insulation Boards would be a tight and staggered seams. Instead...

What to do when Installing FOIL on a Concrete Slab ? Click "Read More" or more information about installing on a concrete slab.

What type of thinset should I use with my Warmup system? We highly recommend the use of polymer-modified adhesives, also known as “modified thinset." Since the addition...

What type of wood subfloor is required for Warmup’s Peel-and-Stick products? There is no subfloor requirement specifically for Warmup’s Peel-and-Stick; it can even be installed over Epoxy....

Why does my floor get warmer in some spots? Your floor can reach higher temperatures in some areas where furniture, area rugs, dog beds or...

Why does my floor heat unevenly? If wire spacing and floor height isn’t consistent, your floor may not heat evenly. Click "Read...

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...

Can I cross floor heating cables? You should never cross underfloor heating cables. This post will link you to some solutions for...

Does the waterproofing kit go above or below the membrane? Wondering if the Warmup Waterproofing Kit is applied above or below the DCM-PRO membrane? This post...

How is the Warmup Waterproofing Kit installed? Are you looking for the Warmup Waterproofing Kit installation instructions? You can find them here in...

Do I need a waterproofing kit? Wondering if you need a waterproofing kit for your project? This post will tell you our...

How many packages of fixing strips do I need? Are you installing the DCM-PRO cable without the DCM-PRO membrane? You will need fixing strips. This...

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

How long after flooring installation should we wait to use the heat? Are you wondering how long after installation you have to wait to begin using your floor...

Can you install over tile? Wondering if you can install floor heat over existing tile? Learn the answer to that question...

Can carpet pad be glued down? If you are installing underfloor heating under carpet you may be wondering if you can glue...

Can you trim the floor sensor? The floor probe wire can be trimmed. Learn more here.

How do I register a product warranty? If you are finalizing a Warmup installation it is almost time to register your warranty! Find...

Does the membrane adhere well to Warmup insulation boards? Installing DCM-PRO peel-and-stick over Warmup insulation boards? Find our recommendation here.

Can I install directly onto durock or hardieboard? If you are starting with a durock or hardieboard you may be wondering what the next...

Does Warmup restrict tile size? Some companies restrict tile sizes over underfloor heating products but Warmup does not. Learn more here...

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

What can I do if I do not have enough cable? Are you short heating cable for your underfloor heating project? We'll be happy to help get...

Can I mount my thermostat anywhere? If you have quesitons about where to mount your warmup thermostat you can find answers to...

Is there a video guide for installing a towel warmer? If you are installing a Warmup towel warmer you may be interested in seeing an installation...

How far can you space snow melting cables? If you are installing snow melting cables, you may be wondering how far you can space...

Is there a video guide for installing the DCM-PRO system? Are you getting ready to install the DCM-PRO system? Check out this video for helpful tips...

What system works best with tile flooring? Are you looking for the best underfloor heating system to install under tile? Read more about...

What system works best with laminate flooring? Are you looking to heat under laminate flooring? Read more here about our recommended system under...

How do I test my heating cable(s)? Warmup recommends testing your underfloor heating cables before, during, and after installation. Follow along with this...

Are there special instructions for installing small format tiles over radiant heat? If you are installing small format tiles over the DCM-PRO floor heating system, you'll want to...

How do you install Warmup’s single bar towel warmer? Installing the Warmup Liberty single bar towel warmer? Find useful information here to follow along with.

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...

What is the diameter of the DCM-PRO cable? If you are installing the DCM-PRO cable in your home you may be wondering about the...

How much self leveler goes over the membrane? Depending on your flooring type you may need to self-level over the DCM-PRO membrane. Read more...

Is it possible to put less leveler over the membrane? If you are using self-leveler over the membrane there are minimum pour requirements. Learn more about...

Can the cable be spaced at 2 pegs? Each row in the membrane is referred to as a peg. Learn more here about minimum...

Does having a membrane change the cure time? The DCM-PRO system is embedded in materials that require curing time. If you are wondering if...

Should we roll the membrane? Click here if you are wondering about what to do after the membrane is applied to...

Does self-leveling grip on the membrane? Are you curious if self-leveling is going to grip to the membrane you are installing? Learn...

Which thinset is recommended in Québec? If you are shopping in Québec we have a few recommended brands of thin set that...

What type of thin set can be used with the DCM-PRO system? If you are installing the DCM-PRO system and need to know more about what type of...

Should I use primer? If you are installing DCM-PRO membrane you may be wondering if you should use a primer....

Should I leave space between membrane sheets? When installing sheets of Warmup membrane, you should try your best to install with no overlapping...

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...

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

Installation of the TH115 Floor Heating Thermostat Easy to install, take the time to review the installation procedure for the best results.  Always...

Can I Install a Warmup System Under Carpet Tiles? The Warmup DCM-PRO or StickyMat system may be used under carpet tiles as long as it...

How do I Mount my ETO2 Controller? So either the installer puts a DIN rail on the wall or cabinet, or they can...

How do I Mount my Tempo Thermostat? The thermostat should be installed inside a square 4”x4” back box with a single mud ring...

Tire Tracks Installation: How Far Do I Space the Mats? The proper distance to space the mats should be 5 feet on center or 3ft between...

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'.

How do I test my system using a Megger (Mega-Ohmmeter)? The megger is used as a quality control measure to test the insulation resistance to detect...

How Do You Add a Room using the MyHeating App? There are two ways to add a Room to your account, which will serve as a...

Can I Install the Relay-25 in the Same Electrical Box with my Thermostat? Warmup strongly recommends that the relay is installed in a separate single gang box to avoid...

Is GFCI (Ground Fault Circuit Interrupter) Required for Bathrooms? Thermostats with an internal GFCI including the Warmup 4iE and WUDG will fulfill this requirement. If...

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

Can I Install my Floor Heat over an Existing Sheet of Vinyl Floor? If using a DCM-PRO membrane, scrape/scratch and prime the vinyl to ensure bonding with a highly...

What are the Conduit Requirements when Installing a Warmup System? In this guide, we will cover various aspects of the installation process, focusing on key recommendations...

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.

When should I check my resistance readings for the DCM-PRO cables? Outlined description of when to test your DCM-PRO cable and why you should do it.

Can the Mirror Defoggers be installed in the shower? This page states that Warmup Mirror Defoggers are not recommended for use in showers.

Where do I place the sensor probe when installing the DCM-PRO cables? This page outlines the recommended installation methods for your installing your sensor probe.

Where do I install the DCM-PRO Factory Joint? This page explains the positioning of the factory joint to ensure a successful installation of your...

How long is the cold lead on the DCM-PRO cable? The conductor cores and ground braid of the 10' cold lead are factory joined in a...

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...

What is the correct DCM-PRO cable spacing? This page explains the DCM-PRO spacing guidelines and recommendations.

How do I test my NAMSR self-regulating cables? This page explains the purpose of testing your self-regulating cables and how to perform these tests.

What is the best way to lay asphalt over a Heated Driveway? This is a summary of the recommended installation practices when installing asphalt over a Warmup heated...

Mounting the 3iE Energy Monitoring Floor Heating Thermostat Read this before choosing your gang box. Click "Read More" for important information.

Mounting and Installation of a DS Controller Here you will find some helpful tips for the successful installation of your snow melting controller....

DS2 or DS5 Installation Example Take a look at an actual DS2 or DS5 installation example.  Click "Read More" for details.

I installed my DS8 and my heating system but it is not melting any snow or ice. You will need to examine the positioning of moisture sensor of your snow melting controller.  Click...

Installation of Snow Melting Cable under Concrete Take a look at a helpful dissection of this type of installation.  Click "Read More" for...

Installation of Snow Melting Mat/Cable under Asphalt Take a look at a helpful dissection of this type of installation.  Click "Read More" for...

Basic Installation of Snow Melting Cables & Mats under Asphalt, Concrete or Pavers Regardless of which material will be covering your snow/ice melting mats or cable, you will need...

Installation of Snow Melting Mats/Cable under Concrete Take a look at a helpful dissection of this type of installation.  Click "Read More" for...

Basic Installation of the Roof Heating Cable Follow these roof heating cable installation instructions for the best results. Click "Read More" for all...

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...

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...

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...

Can I install a wooden floating floor directly on top of the cable ? NO: cable must be embedded in thin-set or self-leveling compound. Once dry, the floating wooden floor...

Can multiple layers of Ultralight be installed? Layering Ultralight Insulation Boards: Is it Possible? Ultralight cannot be layered because the thickness will double...

Can you self-level over Ultralight? Yes, you can self-level compound over Ultralight. This is particularly common when first applying our DCM-PRO...

Do I need to prime the subfloor before installing Ultralight? You can stick the insulation boards to the concrete slab using regular modified or pre-mixed thin...

How Big and How Heavy are Ultralight Boards? You can stick the insulation boards to the concrete slab using regular modified or pre-mixed thin...

How do you stick the insulation boards to the concrete subfloor? You can stick the insulation boards to the concrete slab using regular modified or pre-mixed thin...

How does Ultralight work? You can stick the insulation boards to the concrete slab using regular modified or pre-mixed thin...

Is ultralight waterproof and sound proof? You can stick the insulation boards to the concrete slab using regular modified or pre-mixed thin...

What is Ultralight made of? You can stick the insulation boards to the concrete slab using regular modified or pre-mixed thin...

What kind of adhesive do I use with Ultralight? You can stick the insulation boards to the concrete slab using regular modified or pre-mixed thin...

What kind of primer do I use with ultralight? Primers help encapsulate dust to improve bonding with the thinset you’d apply to lay the boards....

Installing insulation boards over a Wooden Subfloor There is a specific way to install the insulation boards over a wooden sub-floor.  Click "Read...

Warmup Insulation Board Installation Video See just how easy it is to install our floor heating insulation boards. Click here to...

Insulation Boards: Preparing for the Installation of Floor Heating All surfaces should be thoroughly cleaned of all dirt and debris. When installing over an existing...

Make sure that the floor probe that came with the floor heating thermostat was installed and done so properly. It is vital that the floor heating thermostat's floor probe was not only installed but done...

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...

Should I install the WIU with the foil side up or down? WIU should be installed with the foil side facing DOWN. Click "Read More" for details. 

Installation of WIU over various sub-floor types Designed specifically to enhance the performance of the Foil Floor Heating Systems.  Click "Read More" for...

Can the cold tail lead of your Warmup indoor heating system be extended? This page explains how to extend your lead wire or connect your heater to a thermostat...

Can the lead of your Warmup heating system be trimmed? This page will give you pointers about trimming your cold lead to fit easier in the...

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