ProMelt · 55 Square Foot Snow Melting Cable (240V)

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ProMelt electric radiant snow melting cables are the most versatile and lowest cost option for snow melting installation any size, any shape - quickly providing electrically heated walkways and driveways. Cables are ideal for steps, curved or angled areas. Cables can be used for simple rectangular areas too, but mats install faster and easier in those situations.

Environmentally friendly snow and ice removal in the worst conditions is possible without using salt or hazardous chemicals. ProMelt provides energy efficiency and easy installation.

ProMelt heated snow melting cables are manufactured by SunTouch Watts Radiant (pioneers of indoor radiant heat). You choose your configuration and secure to rebar/mesh or using our Cable Strap on a base surface; maintaining the proper and consistent spacing of cables is your job. Larger spacing means less heat but more coverage per cable.

Cables cost 10-15% less than mats and give you layout and heat output options since you control the spacing and determine the layout. Consider ProMelt Mats for a quicker and easier installation (the spacing is already done for you) for just a few dollars more. (See Specifications)

ProMelt is an effective, reliable and invisible snow melting system that will serve you for many years. Projects of 350 SF or less require cables and a snow sensor-controller and are very affordable and convenient.

ProMelt Snow Melting Benefits:

  1. ProMelt cables provide versatility and allow you to control the Watts per Sq Foot between 38 and 50.
  2. Automatically activates only when needed means your driveway and sidewalks stay clear and you never forget to turn the system off.
  3. No plowing or scraping means your walkway and driveway look better and last longer
  4. Maintenance Free permanent installation. Not like Hydronic systems (water) with pumps, boilers, etc
  5. Increase safety and reduce liability with ProMelt
  6. No hazardous chemicals to damage your landscaping or the environment
  7. No waiting for the plow or shovel to arrive - Dependable automatic snow sensor once moisture and temperature conditions are met activates ProMelt.
  8. Save Money - Eliminate snow removal labor costs
  9. The best construction using premium materials means ProMelt is built to last
  10. Increase the value of your home with an automatic ProMelt System
National Electric Code reference

ANSI/NFPA 70 especially Article 426. Plus any local code requirements

Maximum exposure temperature

285°F (140°C) Short-term max. for asphalt covering

Minimum Installation Temperature

40°F (4.5°C)

Maximum Circuit Load

30 or 50 Amps @ 240v, depending on controls chosen

Maximum Circuit Overload Protection

70 A Breaker.

Recommended Method and Depth for Asphalt

Attach ProMelt over cooled asphalt base layer- Cover with hand shoveled final asphalt layer min 1.5 inch thick-DO NOT DRIVE machines on exposed ProMelt. Roll with small roller or compactor. - See Installation Manual

Recommended Method and Depth for Slab

Use Chairs/dobies so rebar/Mesh ProMelt is attached to is in top 2" of slab - See Installation Manual.

Recommended Method and Depth for Pavers in sand

Minimum 1.5 inches sand over cables, max paver thickness of 2.50 inches - See Installation Manual

Recommended Method and Depth for Pavers in Concrete

Maximum 2.50" total thickness over cables - See Installation Manual

Spacing of attachment to Mesh/Rebar or surface

Every 24" using cable ties (no metal)

Recommended Method and Depth for Tile/Stone

See Installation Manual and TCNA guidelines; 1.25 inch minimum

Minimum Depth

1.50" inches below top of heated surface-completely covered : See Installation Manual

Distance from Edges of Concrete/Asphalt

Minimum 6" from edge of slab or 12" for asphalt without a curb

Ohms Reading (resistance value) 18 - 23 ohms
Power Lead Wire Gauge 14 AWG
Power Lead Length 20'
Power Lead Type Armored, NEC color code, Single point connection at 1 corner of mat. No return wire like inferior products
Thickness 1/4"
Cable Length 218'
Cable Length (inches) 2616"
Cable Length (meters) 66.06 m
Watts Per SF 1 50
Watts Per SF 2 44
Watts Per SF 3 38
Heated SF 1 45
Heated SF 2 52
Heated SF 3 59
BTUs/SF/Hr 1 170
BTUs/SF/Hr 2 150
BTUs/SF/Hr 3 130
Spacing between runs 1 3
Spacing between runs 2 3.5
Spacing between runs 3 4
Voltage 240 VAC
Wattage per SF 50
Spacing of Heating Wire 3" - 3.5" - 4" on center
Manufacturer Watts Radiant
Heating Power Output per Hour (BTU) 170 BTU per Sq Ft/Hour
Heating Power Output Total 9350 BTU total
EMF (Electro Magnetic Field) Yes. Verified by Independent Testing Laboratory as ultra low.
Canadian Electric Code reference Section 62 (CEC) Part I. Plus any local code requirements
Safety Listing ETL Listed for U.S. and Canada under UL (Underwriters Laboratory) 515, IEEE 515.1, and CAN/USA C22.2 No. 130-03 : Listing file number: 3151992
Warranty from Manufacturer 10 year warranty backed by USA Manufacturer since 1873
Wire Construction ETFE Fluoropolymer, Braided copper ground plane, Foil shield and Outside polyurethane jacket
Total Watts 2750 watts at 3" spacing
Why Helps

ProMelt Cables provide the most flexible and low cost installation than any snow melting system in 3 easy steps once you have read all instructions, planned the electrical details, and prepared your jobsite:

  1. Determine cable spacing and layout we suggest using a spacer like a piece of wood
  2. Unwind cable(s) to fit any shape area and around obstacles or up steps
  3. Secure the cable onto the prepared base surface using CableStrap or cable ties to wire mesh/rebar

The ProMelt radiant heating cables are built tough for Permanent installation within virtually any surface to provide efficient melting of snow and ice automatically. They must be completely embedded and at least 1.25 inches below the top of the new layer.

  • New Concrete Surfaces install in top 2 inches secured to rebar or wire mesh on supports/chairs
  • New Asphalt on top of base layer. ProMelt's polyurethane outer insulation layer withstands 300 Degrees F
  • Pavers or brick set in compacted sand beds or in mortar
  • Stone or tile set in thickset mortar. Building Code requires all outdoor systems to be 1.25 inches below the top of the new surface
  • Not for use in gravel or dirt - must be embedded as described above
Amp Draw 11.5
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