The answer to 'what causes water heater' is that there are several common causes for water heater issues. The most frequent problems include sediment buildup, faulty thermostats, leaks, and age-related wear and tear. Sediment can accumulate in the tank over time, reducing efficiency and eventually causing the heater to fail. Malfunctioning thermostats or heating elements can also lead to inconsistent water temperatures or complete failure. Leaks around the tank or fittings are another common issue that can cause water damage and require repair. Finally, older water heaters simply wear out after 10-15 years of use, necessitating replacement.
Addressing these problems early through regular maintenance and prompt repairs can help extend the life of a water heater and avoid more costly issues down the road. Homeowners should monitor their water heater for any signs of trouble and call a professional plumber if they have concerns.