Your water heater may be one of the appliances in your home you take for granted—until it stops working and you wind up in a cold shower. To make sure you don't get a chilly and possibly expensive surprise, it's a good idea to perform regular maintenance on your water heater and tankless water heaters. Why Do It? Draining ensures the long life of your water heater by flushing out minerals and other debris that can cause it to malfunction. Sediment is small bits of dirt, rock