How often you should flush the tank depends on a number of factors, including the size of the tank, the number of people in the household and how hard your water is. Here is a general guide for how often you should flush your tank.
- 1 or 2 person household - Inspect the water heater every 6 months and flush the tank every 12 months.
- 3 or 5 person household - Inspect the water heater every 4 months and drain the tank every 8 months.
- 6 or more person household: Inspect the water heater every 4 months and drain the tank every 6 months.