How do I turn my AO Smith water heater up?
Set both thermostats to 120°F. If higher temperatures are required turn the water temperature dial clockwise ( >>) to increase the temperature. (Turn the dial counter clockwise ( << ) to decrease the temperature.) Adjust both thermostats to the same temperature setting.
Can you adjust temperature on hot water heater?
Start by turning off power to the water heater at the circuit breaker. Find the access panel for the thermostat(s) and use a screwdriver to remove the panel. Use a flathead screwdriver to adjust the thermostat up or down. If your water heater has two thermostats, adjust both the same amount.
How do you reset a hot water heater?
Somewhere on your electric water heater, you’ll find a reset button. It’s usually red and often located near the thermostat. It may also be hidden behind a removable metal panel on the unit—and then behind some insulation. Once you find the button, push and release it.
Why is my AO Smith electric water heater not working?
If the upper thermostat is set to a higher temperature than the lower, you might sometimes find yourself short of hot water. Once you’ve finished, replace the insulation over the thermostats, screw the cover panels back into place and restore power to the water heater.
Where is the thermostat on an AO Smith electric water heater?
Most A.O. Smith water heaters have two, but some may have only a single thermostat located behind the lower access panel. The thermostat’s control is a small screw set into a covered housing, and you’ll need a flathead screwdriver to turn it.
How to adjust the temperature on an AO Smith Electric?
On a two-thermostat model, such as the 55-gallon PNT-55, you’ll need to adjust the lower thermostat to match the upper one. Again, fold the insulation out of the way and use a flathead screwdriver to adjust the temperature. The temperature settings for both thermostats should be as close as you can make them.
How to turn off power to a water heater?
Turn off the power to the heater by turning off the circuit from the circuit box. Locate the two access panels for the water heater. One is near the middle of the unit, and the other is towards the bottom. Remove the screws that are used to secure the access panels with a flat head screwdriver.
How do you troubleshoot a gas hot water heater?
If troubleshooting a gas water heater, make sure that the gas is on, then relight the pilot flame with a BBQ lighter at the base of the water heater. If troubleshooting an electric heater, make sure the heater is receiving electricity, then reset the thermostat by pressing down the red reset button on top of the thermostat.
How to troubleshoot a state water heater?
Turn off the power to the water heater in the service panel. Remove the access panel, insulation, and plastic safety guard from each heating element on the water heater. Test the wires to confirm the power is off, using a non-contact voltage tester. Check the heat setting on both thermostats: They should be at the same temperature.
What’s inside a hot water heater?
Electric water heaters contain two heating elements that make the water hot. The water heater contains a heavy inner tank that is usually made out of steel, insulation around the tank, a dip tube, exhaust pipe, thermostat, drain valve, pressure relief valve, and a sacrificial anode rod to prevent corrosion.
What are hot water heaters?
Hot water heaters are designed with a temperature pressure relief valve. It will relieve pressure and drain water if the water temperature becomes too hot.
