HS-320. General Pipe Cleaners Hot-Shot™ Pipe Thawing Machine - With #2 Cables and Clamps This 320 amp unit is solidly manufactured for long lasting dependability. Saves time and money by eliminating the need to tear up floor, break through walls and digging up pipes in frozen ground. No need for hazardous blow torches. Simply attach the pipe clamps and plug it in to unfreeze pipes in minutes. Thaws 1-1/2 diameter lines up to 100' long. Offers thermal overload protection and circuit breakers. 115V. Includes two (2) 20' #2 cables and clamps. Two Year Limited Warranty.