Regular maintenance is essential for the optimal functioning and longevity of a gas tankless water heater. A well-maintained unit can last up to 20 years or more.

Professional servicing should be conducted at least once a year. This service typically involves checking for and fixing any leaks, inspecting the burner and venting system, descaling the heat exchanger, and checking the overall operation of the unit.

Regular maintenance is especially important if you have hard water, as the mineral deposits can build up over time and affect the efficiency and lifespan of the unit. Descaling or flushing the system can help prevent this buildup.

In addition to professional servicing, there are also some things homeowners can do, such as regularly checking for any visible signs of damage or leaks and cleaning the air filter as needed.

At Water Heater Doctor, we provide comprehensive maintenance services for gas tankless water heaters, ensuring they continue to provide efficient, reliable hot water for many years.