A standard thermostat has an upper thermostat and a lower thermostat, and two heating elements. If the water heater is broken, the heating element may be defective and needs to be replaced. It is the best decision for you to have a professional plumber come to your house and repair your water heater. Many believe that they can repair the water heater themselves. This can degrade your water heater. A professional plumbing company can come in and fix your plumbing quickly and do it without it malfunctioning. Having a professional plumber fix your plumbing and water heater is a stress reliever that takes a lot of the pressure off of you. Let us give you a break.