Key features

• •JHSF doesn't work unless the ambient temperature is below 37F/3 degree C. Please test the cable in a cold environment. HEATIT is registered Trademark by zhukeshi(We didn't authorize other sellers in Amazon.com).
• •Suitable for use on plastic and metal water pipes.( including inlet pipe,drain pipe, sewer , palm tree frost protection etc). Self regulating heating cable output will adjust automatically based on the ambient temperature at each point along the cable. No worry about the overheat risk. More Safe. Can be used by straight, spiral and overlap. More functional.
• •Pre-assembled, easy to install. Including grounded plug with light, built in thermostat(turn the cable 37F on 50F off), and instructions. 120 volt, 3 watts/ft at 50 degrees F. Energy-efficient. Protect pipes up to 2" in diameter. For a better freeze protection, at least 1/2 inch thick insulation material is recommended, especially for extremely cold weather.
• •ETL approved. 2 ft 18/3 cold lead with plug. Industrial grade heat shrinkage tube for connection.The lowest installation temperature of this heating cable is -10 degree C. Tough XLPE as inner insulation and weather resistant PE (high-low temperature) as out jacket. Ingress Protection 65. Durable
• •Testing the cable before the installation. Uncoil the cable, plug in the heating cable and then put the thermostat part of the cable into an ice bucket for few minutes. When the temperature is below 37F, the thermostat will energize the cable to work. Normally you can feel the slight warm on the heating cable in few minutes. Four year limited warranty. If you are not completely satisfied with HEATIT heating cable, please feel free to contact us in any time, we'll try our best to solve your issue