SunTouch WarmWire Radiant Floor Heating Cable for Interior Applications, 120/240 V

Product Features: 

• Electric radiant floor heating cable for interior residential applications
• Compatible with tile, stone, marble, porcelain, granite, and laminate flooring
• Adjustable cable spacing (2.5", 3", or 3.5") to control heat output
• Available in 120V and 240V models for flexible installation
• Installs with HeatMatrix membrane or cable straps in thin-set mortar
• Ideal for bathrooms, kitchens, mudrooms, laundry rooms, and basements
• UL-listed and CSA-certified for safety and performance
• Energy-efficient operation reduces heating costs over time
• Cold lead pre-attached at the factory for ease of installation
• Works with SunStat programmable, non-programmable, and Wi-Fi thermostats
• Corrosion-resistant copper heating elements with durable outer jacket
• Made in the USA by Watts Water Technologies
• Covered by a 25-year limited manufacturer's warranty

Product Description: 

Never wake up to cold floors again! Popularly used in large rooms and rooms with complex layouts, WarmWire Series cables provide comfortable heating temperatures to keep your feet warm and toasty. WarmWire Radiant Floor Heating Wire is an affordable way to add comfort and warmth to your home. Constructed with oxygen-free copper heating elements for flexibility and durability, the wire installs beneath and warms tile, stone, and laminate flooring. This unit is designed with high-temperature thermoplastic insulation, making it corrosion-resistant.

In fact, the cable is so durable that it comes with a 25 year limited warranty. Product Features Oxygen-Free Copper Heating Elements Oxygen-free copper heating elements in the heating wire provide flexibility and longevity to your radiant heating system. High-Temperature Thermoplastic Insulation The insulation provides long-term corrosion, chemical, and temperature resistance to extend the service life of your radiant heating system. Metal Grounding Jacket A grounding jacket provides added safety should any electrical elements become exposed. Tough Outer Jacket The outer jacket provides added chemical and abrasion resistance.

SunTouch WarmWire Radiant Floor Heating Cable offers a reliable and energy-efficient underfloor heating solution designed for a wide range of interior residential applications. This easy-to-install electric heating cable system is ideal for warming tile, stone, and laminate floors in bathrooms, kitchens, basements, mudrooms, and sunrooms. SunTouch WarmWire is UL-listed and CSA-certified, ensuring safety, quality, and consistent performance backed by Watts Water Technologies’ reputation for innovation in radiant heating solutions.

Designed for versatility and ease of use, SunTouch WarmWire is installed using HeatMatrix uncoupling membrane, cable straps, or other compatible underlayment systems. With dual-voltage options available in 120V and 240V, it accommodates various room sizes and heating requirements, delivering uniform warmth across the entire floor surface. WarmWire is engineered to be embedded in thin-set mortar beneath standard tile and stone coverings and can be controlled using SunStat thermostats, including programmable, non-programmable, and Wi-Fi enabled models.

WarmWire features a durable outer jacket, corrosion-resistant copper conductors, and a factory-connected cold lead, making it one of the most trusted choices for electric radiant floor heating. The cable spacing is adjustable (at 2.5”, 3”, or 3.5” intervals), allowing you to customize the wattage per square foot according to the desired comfort level. This flexibility makes WarmWire ideal for custom room layouts, odd-shaped areas, and renovations.

Whether you’re remodeling a master bathroom or adding warmth to a tiled kitchen floor, SunTouch WarmWire provides long-lasting comfort, energy savings, and a luxurious radiant heating experience. Designed and assembled in the USA, it’s backed by a 25-year limited warranty when installed according to manufacturer instructions. Choose SunTouch WarmWire for dependable, affordable, and professional-grade electric underfloor heating that transforms cold floors into cozy living spaces.