The enemy of all steel tank water heaters isrust. Eventually all of them develop a leak somewhere.
1) Flush the water heater
Debris collects at the bottom of your water heater. Impuritiesin the water, rust from the tank walls, and particles carried infrom the piping system all settle at the bottom.
If left in heater for years, this debris can cause your heaterto fail prematurely. To ensure your heater reaches it's maximumservice life, you have to flush the debris from the water heateronce a year....