Easy Heat AHB-118 Cold Weather Valve and Pipe Heating Cable, 18-Feet Product Description The Easy Heat AHB118 will prevent water filled outside pipes from freezing in the harsh cold weather. You can use the freeze protection heating wire on water filled plastic or metal supply pipe lines. The heating wire is made of weather resistant PVC outer jacket. From the Manufacturer Temperature - controlled cable runs straight along pipe and valves, held in place by application tape and plugs into grounded electrical outlet. Keeps water flowing down to -380. For odd lengths of pipe over 3/4" in diameter, we recommend two separate cables on opposite sides of the pipe with up to 3' of overrun at center of pipe run. Metal pipe requires 1/2" Fiberglass insulation around cable. For plastic pipe, its recommended wrapping pipe with aluminum foil before cable installation. The traditional resistance cable produces a fixed amount of heat based on the electrical line feed. It comes with a built-in thermostat that switches the flow of electricity on and off based on temperature. 120 volts. 7 watts per foot. Not U.L. Listed. Features Manufactured in china Easy to use Highly durable Easy Heat pipe heating cable installs quickly and easily to keep water flowing Includes grounded plug, built in thermostat, and instructions Each cable consists of tough PVC inner insulation, a continuous ground braid, and weather-resistant PVC outer jacket AHB units are activated and de-activated by an integral energy-saving thermostat Approved for rigid plastic and metal pipe; UL listed Power source type: Corded Electric Easy Heat pipe heating cable installs quickly and easily to keep water flowing Includes grounded plug, built in thermostat, and instructions Each cable consists of tough PVC inner insulation, a continuous ground braid, and weather-resistant PVC outer jacket AHB units are activated and de-activated by an integral energy-saving thermostat Approved for rigid plastic and metal pipe; UL listed USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.