General Pipe Cleaners Hot Shot pipe thawing machines thaw frozen metal pipes fast. The Hot Shot run low voltage, high current though the metal pipe. The current heats the outer layer of ice inside the pipe. Water pressure pushes the unfrozen water though the heated section and melts the ice blockage. Water can be flowing in a quick as 10 minutes. What this how to video to learn how the Hot Shot works. For more information, contact the Drain Brains at General Pipe Cleaners at www.drainbrain.com. Made in USA.