It hardly seems right: You spend $200,000 or $300,000 for a combination cleaning truck. And then how much you get out of it depends on the $100, $300 or $500 nozzle you put on the end of the hose.
Yes, it’s true: Use the wrong nozzle, or a worn-out nozzle, and a great deal of that truck’s cleaning capability and power may be wasted. You may be doing little more than spraying water into a pipe.
Do you doubt it? Ask Duane Johnson, Pumper & Cleaner Expo presenter and vice president of Affordable Pipeline Services in San Diego, Calif. He recalls accompanying
