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WarmWire Spools

Installing electric heat cable over a slab subfloor without insulation, and need more warmth? Flexible, versatile WarmWire cables may be for you. With WarmWire, you can space wires even closer together for higher heat output. Consult our planning guide  to plan your layout for optimal heating, and choose the right amount of wire for your project’s square footage. Don’t forget a programmable thermostat for the ultimate in convenience and energy efficiency. Or save time with a WarmWire kit and get everything you need in one box!

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Installation is easy and we're here to help!

Floor heating basics Planning your layout videos

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Items 1-10 of 14

  1. WarmWire 20 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 20 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $171.00
    WarmWire 20 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240020WD , MPN: 81004588 by Watts Radiant for only $171.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  2. WarmWire 30 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 30 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $215.00
    WarmWire 30 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240030WD , MPN: 81004589 by Watts Radiant for only $215.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  3. WarmWire 40 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 40 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $270.00
    WarmWire 40 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240040WD , MPN: 81004590 by Watts Radiant for only $270.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  4. WarmWire 50 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 50 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $308.00
    WarmWire 50 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240050WD , MPN: 81004591 by Watts Radiant for only $308.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  5. WarmWire 60 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 60 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $347.00
    WarmWire 60 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240060WD , MPN: 81004592 by Watts Radiant for only $347.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  6. WarmWire 70 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 70 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $379.00
    WarmWire 70 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240070WD , MPN: 81004593 by Watts Radiant for only $379.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  7. WarmWire 80 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 80 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $401.00
    WarmWire 80 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240080WD , MPN: 81004594 by Watts Radiant for only $401.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  8. WarmWire 90 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 90 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $435.00
    WarmWire 90 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240090WD , MPN: 81004595 by Watts Radiant for only $435.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  9. WarmWire 100 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 100 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $456.00
    WarmWire 100 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240100WD , MPN: 81004596 by Watts Radiant for only $456.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More
  10. WarmWire 120 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 120 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $506.00
    WarmWire 120 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240120WD , MPN: 81004597 by Watts Radiant for only $506.00. Good for Natural Stone,Tile, Laminate, Engineered Woods, Carpet, Vinyl, Linoleum, Solid Hardwood (if you use sleepers). Made in USA. Warranty: 25 year warranty backed by USA Manufacturer since 1873. Learn More

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Items 1-10 of 14