WarmWire Radiant Floor Heating Cable
WarmWire is an affordable alternative to floor heating mats.
The constant diameter of the radiant heating cable allows uncoupling into the membrane quick and easy!
- Compatible for install into CableStrap or Floor Membrane at 2 ½, 3, or 3 ½ inch spacing
- Total design freedom allows for installation around turns & obstructions such as a toilet or kitchen island
- Covered by a 25-year manufacturer warranty whether installed with CableStrap or another manufacturers’ membranes
- Approved for shower installation where permitted by the local authority having jurisdiction (AHJ)
WarmWire works wonderfully under natural stone, tile, laminate, engineered woods, carpet, vinyl, linoleum, & solid hardwood (if you use sleepers).
Instructions + Video
Step 1: Plan your layout and determine the cable direction. Measure about 3" in. inches from the wall, and place strap parallel to the wall. Under toe kick spaces, install the strap 1.5"in. inches to 2" in. inches away from the vanity.
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Step 2: Cut the strap to length for each side of area to be heated.
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Step 3: Secure the strap to the subfloor using double-sided tape, glue, or fasteners.
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Step 4: Fill in each section back and forth with cable, spacing the wire 2.5" or 3" in. inches apart. For additional areas, cut and attach the straps accordingly and begin weaving the wire into that area.
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Important: If cables are running greater than 3' or 4'ft. feet across a room, be sure to add another strap to thread through in the center of the area to be heated. |
Yes, can be installed in a tiled shower. UL listed, verify local code.
INTERIOR floor heating application only. Embedded in mortar or self leveler only
Mats or Wire | Supply Wire | Breaker | |||
VAC | total amps | (AWG*) | qty | type | rating |
120 | up to 12 amps | 14 | 1 | single pole | 15 or 20 A |
120 | up to 15 amps | 12 | 1 | single pole | 20 A |
240 | up to 12 amps | 14 | 1 | double pole | 15 or 20 A |
240 | up to 15 amps | 12 | 1 | double pole | 20 A |
* Recommended only. Follow local codes for wire gauge size.
15 Amps
20 A Breaker.
Blue Flexible Polyurethane WaterProof Jacket surrounding 2 ETFE insulated copper heating wires, metal jacket & ground wire drain
Install 4-6" away from the toilet drain wax ring. It can be under the front of toilet - Approximately 20" from wall.
Minimum 3/8" x 1/4". Dependent on tile size - verify with tile/mortar manufacturer
50° Degrees F / 10° Degrees C
Specifications
UPC | 840213195144 |
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Manufacturer | Watts Radiant |
Safety Listing | UL (Underwriters Laboratory) Listed for U.S. and Canada under UL 1673 and CAN/CSA C22.2 No. 130-03, File No. E185866 |
Voltage | 120 VAC |
Cable Length | 39' |
Cable Length (inches) | 468" |
Cable Length (meters) | 11.9 m |
Heated Area in Sq Ft typical | 10 |
Wattage per SF | 12 |
Total Watts | 120 watts |
Amp Draw | 1 |
Heating Power Output per Hour (BTU) | 41 BTU per Sq Ft/Hour at 3" spacing |
Heating Power Output Total | 410 BTU total |
Spacing of Heating Wire | 2.5" - 3" - 3.5" on center |
Power Lead Length | 10 Feet |
Power Lead Wire Gauge | 18 AWG |
Power Lead Type | Armored, NEC color code, Single point connection at 1 corner of mat. No return wire like inferior products |
Thickness | .110" - .132" (nominal) Shorter cables are thinner. |
Ohms Reading (resistance value) | 108-134 |
EMF (Electro Magnetic Field) | Yes. Verified by Independent Testing Laboratory as ultra low. |
More Details
What's In The Box | WarmWire Spool in Easy to dispense box. Detailed Installation Manual. Installation video online. |
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Brand Name | WarmWire |
Warranty from Manufacturer | 25 year warranty backed by USA Manufacturer since 1873 |
Acceptable Floor Coverings | Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers) |
Spacing between runs 1 | 2.5 |
Spacing between runs 2 | 3 |
Spacing between runs 3 | 3.5 |
Heated SF 1 | 8 |
Heated SF 2 | 10 |
Heated SF 3 | 12 |
Watts Per SF 1 | 14.4 |
Watts Per SF 2 | 12 |
Watts Per SF 3 | 10.3 |
BTUs/SF/Hr 1 | 49 |
BTUs/SF/Hr 2 | 41 |
BTUs/SF/Hr 3 | 35 |
Reviews
Customer Reviews
I would recommend piecing out the parts versus buying a kit.
I wish I could remember the name of the customer service gal who suggested the Warm Wire product to me when I called with what I thought was an installation dilemma. We had 240V service but the room wasn't large enough for any of the 240V mats. She suggested running the shortest available 240V Warm Wire at the closest recommended spacing - and it was perfect! The metal strapping made the spacing effortless. She really saved the day. Thanks for a great product, we'll be using it again, I'm sure.