EASYHEAT® Heating pipe cable. AHB series is a complete pipe heating system that is ready to install. Protects metal and plastic water-filled pipes up to 1-1/2 inch diameter. Pre-assembled and ready to install. Plugs into a standard 120 V outlet, must be GFCI protected. Integral thermostat saves energy by powering the cable only when needed. Durable components include tough XLPE inner insulation, continuous ground braid and weather resistant PVC outer jacket. Keeps water flowing at ambient temperatures down to -40°C.