How To Turn Up The Temperature On A Water Heater

When it comes to hot water in your home, the temperature of your water heater is a crucial factor. If your water isn’t hot enough, it can be frustrating and inconvenient. Fortunately, adjusting the temperature of your water heater is a simple process. In this article, we’ll walk you through how to turn up the temperature on a water heater step-by-step.

Step 1: Turn Off the Power

Before you begin, make sure to turn off the power to your water heater. This is essential for safety reasons. If you have an electric water heater, turn off the power at the breaker. If you have a gas water heater, turn off the gas supply.

Step 2: Locate the Thermostat

The thermostat is the component that controls the temperature of your water heater. It’s usually located on the front of the tank, near the bottom. Look for a dial or a digital display that shows the current temperature.

Step 3: Read the Manufacturer’s Instructions

Different water heaters have different instructions for adjusting the temperature. Before you make any changes, read the manufacturer’s instructions carefully. This will ensure that you don’t damage your water heater or create a safety hazard.

Step 4: Adjust the Temperature

To turn up the temperature on a water heater, use a flathead screwdriver to adjust the thermostat dial. Turn it clockwise to increase the temperature, and counterclockwise to decrease it. If your water heater has a digital display, use the arrow buttons to adjust the temperature.

Step 5: Check the Temperature

After you’ve made the adjustment, wait a few hours for the water to heat up. Then, check the temperature with a thermometer. The ideal temperature for most households is between 120 and 140 degrees Fahrenheit.


Q: Is it safe to turn up the temperature on a water heater?

A: Yes, as long as you follow the manufacturer’s instructions and don’t exceed the recommended temperature. However, keep in mind that hotter water can increase the risk of burns and scalds.

Q: Why is my water heater not producing enough hot water?

A: There are several reasons why your water heater may not be producing enough hot water. It could be a problem with the thermostat, a leak in the tank, or sediment buildup. Check the manufacturer’s instructions for troubleshooting tips.

Q: Can I adjust the temperature on a tankless water heater?

A: Yes, most tankless water heaters have a temperature control that can be adjusted. Consult the manufacturer’s instructions for details.


Adjusting the temperature on a water heater is a simple process that can make a big difference in your home’s hot water supply. Follow these steps and consult your manufacturer’s instructions for a safe and effective adjustment. Remember, hotter water can increase the risk of burns and scalds, so be careful when using hot water.