What is a common cause of water heater failure?

Accumulation of sediment is a well-known issue that can lead to water heater failure. Over time, minerals such as calcium and magnesium present in the water can settle at the bottom of the tank, forming a buildup of sediment. This accumulation creates several problems, including reducing the efficiency of the heating element as it must work harder to heat the water, which can lead to overheating and potential damage. Additionally, sediment can occupy space within the tank that should be used for water, thus reducing the hot water available for use. If not addressed, sediment can lead to leaks, rust, and ultimately the need for a replacement water heater. Regular maintenance, such as flushing the tank to remove sediment, can alleviate these issues and extend the life of the water heater.