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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 28

  1. WarmWire 200 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 200 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $810.00
    WarmWire 200 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240200WD , MPN: 81004602 by Watts Radiant for only $810.00. 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 180 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 180 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $730.00
    WarmWire 180 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240180WD , MPN: 81004601 by Watts Radiant for only $730.00. 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 160 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 160 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $650.00
    WarmWire 160 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240160WD , MPN: 81004599 by Watts Radiant for only $650.00. 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 140 Sq Ft 240V Radiant Floor Heating Cable 3.0

    WarmWire 140 Sq Ft 240V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $571.00
    WarmWire 140 Sq Ft 240V Radiant Floor Heating Cable 3.0, Model: 240140WD , MPN: 81004598 by Watts Radiant for only $571.00. 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 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
  6. 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
  7. WarmWire 100 Sq Ft 120V Radiant Floor Heating Cable 3.0

    WarmWire 100 Sq Ft 120V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $485.00
    WarmWire 100 Sq Ft 120V Radiant Floor Heating Cable 3.0, Model: 120100WD , MPN: 81004587 by Watts Radiant for only $485.00. 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 120V Radiant Floor Heating Cable 3.0

    WarmWire 90 Sq Ft 120V Radiant Floor Heating Cable 3.0

    Our Price
    Our Price: $440.00
    WarmWire 90 Sq Ft 120V Radiant Floor Heating Cable 3.0, Model: 120090WD , MPN: 81004586 by Watts Radiant for only $440.00. 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 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
  10. 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

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Items 1-10 of 28