Can you reset a water heater thermostat?

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.

Does the water heater control the thermostat?

Inside electric water heater thermostat, the bending metal opens and closes a mechanical switch. Typical household non-simultaneous water heater has 2 heating elements called upper and lower elements. Elements are controlled by upper and lower thermostats. Each element is connected to a thermostat.

What do you do if your thermostat is not working?

Why is my thermostat’s display blank?

1. Replace the batteries (see the next question if this does not work)
2. Flip the AC/Furnace switch on your circuit breaker to OFF then back ON.
3. Reset the thermostat – this can be done by flipping the switch from OFF and Heat continuously.

What makes an electric water heater a bad thermostat?

A bad thermostat Electric water heaters have 2 thermostats-an “upper” thermostat and a “lower” thermostat. The upper thermostat controls the upper heating element and the lower thermostat controls the lower heating element.

What to do if your water heater is not heating?

When the water temperature drops beneath the desired setting, the thermostat sends power to the electric heating element or gas burner to begin heating. If the thermostat isn’t sending power to the heating element, replace the thermostat. In a gas water heater, replace the gas control assembly that contains the thermostat.

How can I test the lower thermostat on my water heater?

To test the lower thermostat, turn the top one to its lowest setting and the lower one to its highest setting. Touch one meter lead to the top screw and the other lead to the metal body of the water heater. The reading should be between 110 and 120 volts. If it isn’t, the upper thermostat is not sending power to the lower one.

Can a single thermostat be used on a water heater?

Alternatively, you can adjust the upper element to a lower temperature thereby allowing the one underneath to activate first. For water heaters that have smaller tanks (a maximum of 30 gallons), a single thermostat and heating element handle temperature control.

Do water heaters have a reset button?

If the button is lit up, it means the switch tripped and needs to be reset. You reset the electric water heater reset button by pushing that red button. There may also be a lower thermostat reset button on the water heater. If so, push that reset button as well.

Why do I have to reset this water heater?

In most cases, your water should be back to normal within a few hours. If you find that you have to reset your water heater regularly, the problem may be related to a weak controller or an element that is shorting out . Disconnect the electricity to the heater.

Why is my hot water not working?

Faulty Thermostat. The upper thermostat on an electric water heater actually controls both the upper and lower heating elements. This causes the dreaded hot water not working situation. The lower thermostat controls only the lower heating element so if it fails (but the upper thermostat works), the result is hot water not getting hot enough.