A water heater, an essential appliance in most homes, provides hot water for various tasks such as bathing, cleaning, and cooking. However, like any other appliance, a water heater may experience problems that may require timely repair. Unfortunately, many homeowners make common mistakes during water heater repair that cost them a lot of money. Here are a few such repairing mistakes that one can avoid to extend the longevity and safety of the device. Not turning off the power supply Before one starts any water heater repair, ensure that one has turned off the power supply. Failure to do so can result in electrical shock or major injury. Not draining the tank before repair If one needs to repair the water heater tank, it’s crucial to drain it first. This process can remove all the sediment build-up for proper maintenance. Ignoring leaks If one notices any leaks in the water heater, it’s essential to fix them as soon as possible. Ignoring leaks can result in severe water loss. Not checking warranty Most warranties cover repairs and replacements for a certain period. Failing to check the same can result in unnecessary expenses that could have been otherwise covered. Not replacing the anode rod The anode rod is a vital component of the water heater that protects the tank from corrosion.