Specially designed tool uses high pressure from a drill operated piston pump and incoming house water pressure to break up and move sediment of the bottom and out the bottom through a specially designed flush valve. The valve has 78 percent larger bore with scale cutting edge technology to insure your drain hose does not get clogged. Tool easily adapts to your existing water heater Works on gas or electric 40-60 gallon standard, short, or tall. Uses a 15 degree pressure washer tip and drill operated piston pump delivering 300 PSI at drill speed of 2800 RPM. Removing sediment will increase the life span of a water heater by allowing the sacrificial anode to see the bottom and protect, will increase energy efficiency, protect electric elements from burn out and stop water heater noise