• Visible leaks or corrosion
  • Rust or mineral buildup
  • Signs of aging or wear
  • Improper venting (where applicable)
  • Other visible concerns that could lead to future problems
  • No hot water
  • Water not getting hot enough
  • Hot water running out too quickly
  • Rust-colored or discolored hot water
  • Strange noises coming from the tank
  • Water around the base of the unit
  • Fluctuating water temperature
  • Higher-than-normal utility bills
  • Your water heater is 8–12 years old or older
  • Flushing the tank
  • Inspecting the unit for wear or leaks
  • Checking connections and shut-off valves
  • Testing performance and operation
  • Identifying signs of corrosion or sediment buildup