Can a thermostat on a hot water heater be changed?

Electric Water Heater Thermostat Replacement Always disconnect the power or shut off the breaker before doing any work on a water heater. To change thermostats, you will need to remove the access panel and safety cover (do this for both upper and lower access panels on dual element units).

How to tell if a thermostat on a water heater is bad?

Usually, when the upper thermostat goes bad, you will have no hot water at all, while a bad lower thermostat makes itself known when there is only a small amount of hot water before the tap water goes cold.

Are hot water heater thermostat universal?

No, all water heater thermostats are not universal. There are some variances in thermostats between single element water heaters and dual element water heaters. Also, in dual element water heaters, there is a difference in the upper and lower thermostats.

Why are there two thermostats on a hot water heater?

A dual-element water heater uses two heating elements controlled by two separate thermostats. The upper element heats the upper portion of the water column. Depending on your water usage, the temperature can be lowered. This uses less electricity, lowering your electricity bill.

Do you have to set the thermostat on both electric water heaters?

To ensure your electric water heater works as efficiently as possible, you should set both of the thermostats at the same temperature. Note: some smaller electric hot water heaters only have one thermostat.

How much does it cost to replace a water heater thermostat?

The upper thermostat is around $20 to $25 and the lower one is $10 to $15. You will probably pay around $100 in labor to get them How Hard Could It Be? Replacing an electric water heater thermostat is not that hard of a job. You are dealing with some serious electricity and that adds a safety factor.

Is there a universal water heater thermostat?

No, all water heater thermostats are not universal. There are some variances in thermostats between single element water heaters and dual element water heaters. Also, in dual element water heaters, there is a difference in the upper and lower thermostats.

How do you turn off a hot water thermostat?

Head to your circuit board and turn off the water heater’s breaker. Locate the breaker inside the panel box labeled “water heater” or “hot water” and turn the breaker off. Use a 1/4 inch nut driver or flathead screwdriver to remove the upper and lower thermostat access panels.

How much does an electric water heater thermostat cost?

The upper thermostat is around $20 to $25 and the lower one is $10 to $15. You will probably pay around $100 in labor to get them How Hard Could It Be? Replacing an electric water heater thermostat is not that hard of a job.

How does an electric hot water heater thermostat work?

The upper thermostat acts as a coordinator between the two elements. When the water in the top part to the tank is hot enough, it lets the lower thermostat go into action. When the lower thermostat senses the water is too cool it turns on the lower element. This happens only after the upper element has finished heating.

No, all water heater thermostats are not universal. There are some variances in thermostats between single element water heaters and dual element water heaters. Also, in dual element water heaters, there is a difference in the upper and lower thermostats.

How do you replace a hot water heater?

Bring home the replacement thermostat that is akin to your old thermostat. Number the thermostat screws on the new device as you did previously. Make sure that the numbers on the old thermostat correspond with those on the new one. Carefully take the wires from the water heater and connect them to corresponding screws on the thermostat.