Tankless water heater yearly servicing: Tankless water heaters have become very popular in today’s water heater market. Unfortunately many owners of these energy conserving units do not know that they require a yearly servicing. I is necessary to have these checked and flushed to once a year in order to keep them operational, efficient and under warranty. It is also a good idea to replace the ignitor and flame sensor whenever you have this service done. If you fail to complete these services you may find that you cut short the lifespan of these Hot Water systems considerably. Please inquire today about having your tankless water heater inspected and serviced today.