Yes. Unlike the heating cable for electric floor heating, the cold lead wires can be trimmed.
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To prevent any melting, ensure that the heating wire is at least 4” from the toilet wax ring.
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Yes, but any furniture that may trap heat, such as pieces with an enclosed bottom, should be avoided. Furniture on legs with a clearance of at least 3" is permissible.
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When installing electric floor heating over a concrete slab, an insulating underlayment like ThermalSheet is highly recommended to ensure efficient operation, faster heating times and warmer floor temperatures.
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When WarmlyYours electric floor heating systems are being installed on a concrete slab, we strongly recommend adding a layer of insulation over the slab prior to installing the system. While our electric floor heating provides up to 25% more heating power per square foot than many of our competitors, the slab will always act as a "heat sink." Some of the heat that would otherwise be transferred to the flooring surface will remain in the slab, causing the floor’s surface temperature to be considerably lower. This is true with any electric radiant floor heating system.
When installed on top of a concrete slab without insulation, it is generally accepted that electric floor heating will take the chill away from the floor and provide a small amount of warmth. Adding insulation on top of the slab and beneath any electric radiant floor heating system will allow a greater percentage of the heat generated to transfer to the flooring surface. This results in greater efficiency and therefore faster warm up times, higher expected surface temperatures and lower energy usage. The floor will have the capacity to warm to a comfortable temperature, and in some cases can be employed as the primary heat source for that room.
The recommended types of insulation are natural cork, insulated tile backer boards and insulated underlayment, such as ThermalSheet™ synthetic cork.
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Electric-resistance heating cables and systems have no polarity. This includes all current WarmlyYours heating elements.
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The subfloor will need to be prepared as per the instructions of the self-leveling cement (SLC) used. Please note that most self-leveling products require the use of a primer as specified by the SLC company.
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The breaker and wire sizes are selected based on the total amperage of the WarmlyYours heating system connected to a single thermostat. This information is on the WarmlyYours heating system's installation plan, electrical plan, or UL label. Based on guidelines from the National Electrical Code: loads up to 16 Amps may utilize 12 gauge wire with a 20-Amp breaker, and loads up to 12 Amps - 14 gauge wire with a 15-Amp breaker. Local code and/or other factors may change these guidelines.
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Yes, using a square-notch trowel (1/4” x 1/4” or larger), apply a layer of thinset to the subfloor area which will later be covered by the WarmlyYours TempZone™ Flex Roll, Easy Mat or Custom Mat.
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WarmlyYours’ 25-Year No Nonsense™ Warranty is the most comprehensive warranty in the industry. In the event of a defect, we cover not only the repair or replacement of the TempZone™ system, but ALSO any labor costs AND flooring materials required to perform the repair. We do not cover the cost of flooring that needs to be replaced in the event of a repair necessitated due to damage. If a product is damaged by a power surge, that would not be covered by our warranty
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One thermostat can control multiple heating mats/cables as long as all the heating elements are using less than 15 amps:
TempZone™ will cover aprx. 120 sq. ft. for 120V systems and 240 sq. ft. for 240V systems on one thermostat.
Environ™ will cover aprx. 150 sq. ft. for 120V systems and 300 sq. ft. for 240V systems on one thermostat.
Slab Heat will cover aprx. 90 sq. ft. for 120V systems and 180 sq. ft. for 240V systems on one thermostat.
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No. Never cut the heating cable. The floor heating cable is designed with a very specific resistance in order to consistently maintain heating at the chosen wattage per square foot. Trimming the heating cable would lower the resistance of the cable causing the system to overheat. Adding heating cable to the system would raise the resistance and the system would not heat properly.
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No. A bathroom floor would be installed in the same way. Our TempZone floor heating systems are wet-location listed and ideal for bathroom floors.
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Yes, Luxury Vinyl Tile (LVT) is typically installed over the embedded heating element using self-leveling cement (SLC). Many people choose to use SLC when installing tile over floor heating.
We do not suggest using thinset to encase the heating wires with LVT, as it is very difficult to get thinset completely flat.
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Our TempZone electric floor heating products are waterproof and wet location listed.
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Make sure any cracks or raised edges are sanded down before installation. Seal and patch cracks where possible. If needed, pour a layer of self-leveling cement to make sure surface is level and flat. Then proceed with instructions to install desired floor heating system and flooring.
It is strongly recommended that an insulating underlayment be installed between the slab and heating element to prevent heat loss.
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We suggest the heating product be embedded in a minimum of 3/8" of self-leveling cement (SLC). Always check with the manufacturer for specific recommendations.
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Yes. In addition to TempZone™ and Slab Heat, we also have specially sized Shower and Bench mats designed specifically for shower installation. They are all wet location listed for radiant floor heating in a shower.
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Waterproofing for the room is in the layer above the floor heating system. The layers for waterproofing this type of floor are:
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The TempZone™ Flex Rolls, Easy Mats and Shower Mats are designed to deliver 15 watts per square foot (maximum allowed by the National Electrical Code), with the heating element positioned 3” apart on a serpentine loop attached to a fiber mesh. The TempZone™ Cable yields between 8-12 watts per square foot, variable, based on the cable spacing. TempZone™ Custom Mats are made to order, so the spacing of the heating element throughout the mat varies according to each specific design. The TempZone™ Custom Mats can yield from 12 to 15 watts per square foot.
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Yes, if the flooring manufacturer recommends this installation method. In most cases, the heating element will still need to be embedded in self-leveling cement before the flooring is installed.
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There are heating systems designed for floating floors, such as our Environ system. However, the flooring must be rigid enough so it does not mold itself to the heating cables over time.
Check the flooring manufacturer's floor heating recommendations. In most cases, the heating system will need to be embedded beneath the flooring. Check for all "flatness" requirements for the flooring you choose. The flattest floors utilize self-leveling cement when installed correctly.
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The TempZone™ twin conductor cable present in our TempZone™ products is comprised of a double-insulated, coaxial heating cable. The total thickness of the system can be between ⅛” and 5/32” thick and will not noticeably affect the height of your installed flooring.
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82°F - 85°F is the most common comfortable warm temperature of the floor.
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Yes, we offer several options to help make your floor heating system water resistant or waterproof. Our TempZone product line is designed for wet areas - making it completely safe for rooms that will have water on the floor at times or may experience leaks or flooding. We also offer waterproofing bands for our TempZone Cable + Prodeso Uncoupling Membrane system. Allowing you to waterproof all seams and the perimeters of the wall - guaranteeing that your floor heating system stays safe and prevents water from leaking to areas below.
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A digital meter with a 0-200 Ohms scale ( Ω ) to measure the heating wire's resistance, and a 20K scale to measure the sensor's resistance.
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For Tempzone it is 51 BTU’s per square foot per hour and for Environ, it is 41. Take the wattage of the product (shown on the product’s label) and multiply that by 3.41. That is the BTU value for that product.
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Single Conductor vs. Twin Conductor Identification
Note:
- Not all heating cables are wired directly to the thermostat. It may have been necessary during installation to terminate the heating cable in a junction box, and then run a separate (contractor-supplied) wire from the junction box to the thermostat.
- WarmlyYours single conductor cold leads were produced with a 13‘ length at the start of the loop, and a 26‘ length at the end. The 120V floor heating systems had a yellow and a white label attached to the cold leads, and the 240V floor heating systems had a red and a white label attached.
- If you have a single conductor floor heating system and notice that one cold lead is thicker or feels hotter than the other, please contact technical support at +1 (800) 875-5285
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Test the TempZone floor heating cable using a digital ohm meter as shown here.
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Both are 15 feet long.
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Resistance below this value may result in no heating or cold spots in the floor. This may be caused by exposure to moisture or other conductive material that penetrates the core insulation.
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Resistance greater than this value may result in overheating or even total failure of the floor heating system. This may be caused by a crimping or other damage to the wire.
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The amount of amperage draw depends upon how large the area is that you are heating. For coverage of areas less than 30 square feet, a 120V TempZone system will draw less than 4 amps. If you have a larger area over 240 square feet of heated space, then you will need a larger breaker plus additional controls. No matter what the size of the area you choose to heat, we recommend a dedicated circuit for your electric radiant floor heating system.
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For systems below 12 Amps, a 15 Amp, Non-GFI breaker is fine. For systems 12 to 16 Amps, a 20 Amp, non-GFI breaker is needed. Breaker sizes are noted on the installation plan that ships with many orders.
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The ground wire in the floor mat must be connected directly to the ground wire of the supply or to the house ground wire.
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Temperature affects core resistance - lower temperatures decrease resistance and higher temperatures increase resistance. Another consideration is the test equipment, sometimes switching test units, adjusting the calibration, or allowing for the verified differential may be necessary.
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Amps | 0.75 A |
Battery | 5-year battery backup of clock and calendar |
Cold Lead Wire Gauge | 17 AWG |
Connection | 4 wires, double pole |
Connection Method | Hardwired |
Floor Load | 0.09 kW |
Ground Fault Protection | GFCI, Class A, 5 mA |
Ground Fault Protection (GFCI) | Class A, 5 mA |
Maximum Current | 15 A |
Maximum Load (Resistive Only) | 1800 W - 120 V, 15 A / 3600 W - 240 V, 15 A |
Maximum Load (Resistive Only) | 15 A |
Maximum Power | 1800 W @ 120 V, 3120 W @ 208 V, 3600 W @ 240 V |
Ohms | 160 Ω |
Ohms Per Ft | 6.957 Ohm/ft |
Supply | 120 VAC - 50/60Hz, 240 VAC - 50/60Hz |
Thermal Power | 0.09 kW |
Voltage | 120 V |
Watts | 90 W |
Watts Per Sq. Ft. | 15 Watts Per Sq. Ft. |
Approvals | cULus listed |
Ingress Protection (IPxx) Rating | IP20 |
Proposition 65 Compliant | Yes |
Warranty | 25 Year Warranty |
Wet Location Listed | US, Canada |
BTU Per Hour | 307 Btu |
Cold Lead Length | 15′ |
Coverage | 6 ft² |
Depth | 2″ |
Heating Cable Length | 23′ |
Heating Element Thickness | 1/8″ |
Installed Depth | 0.75″ |
Length | 2′ |
Size | 3′ x 02′ |
Weight | 2.65 lbs |
Width | 3′ |
Color | White |
Country of Origin (COO) | India |
Package Contents | 1x TempZone Easy Mat 120V 3′ x 2′ 6 sq ft 0.8A (TRT120-3.0x02); 1x nSpire Touch Programmable Thermostat White (UDG4-4999-WY); 1x Circuit Check (SS-01) |
Display | Backlit Display |
Display Size | 2″ W x 3″ H (3.5″ Diagonal) |
Languages | English, French, Spanish |
Floor Sensor Compatibility | 10k ohms, 12k ohms and custom |
Included Floor Sensor | 10k ohms, 15' lead |
Maximum Ambient Temperature Setting | 77 °F |
Maximum Floor Temperature Setting | 104 °F |
Minimum Ambient Temperature Setting | 32 °F |
Minimum Floor Temperature Setting | 41 °F |
Temperature Rise Limit in Laminate Floor Protection | ~10°F/hr (~5.58°C/hr) |
Floor Types | Commonly installed beneath tile and stone |
SKU | EMK120-OT-PWD |
UPC (GTIN-12) | 881308063306 |
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