Adjusting Your water heater temperature can be accomplished in a few minutes if you know what you are looking for on the gas water heater you are trying to adjust. On the front of electric and gas water heaters is an adjustment dial that will allow you to turn up and also lower the temperature of the water heater. For example on most Bradford White water heaters you will have an A B & C setting.
You can use these letters to control the output temperature on your gas water heater. In this video below Joseph shows you how to adjust the dial on your gas water heater.