Quick Answer: Where Is The Thermostat On An Electric Hot Water Heater?

Where is the thermostat on an electric water heater?

Adjusting water heater temperature Electric water heaters often have two thermostats — one at the top and another at the bottom of the tank.

And most tankless water heaters feature a display with a temperature readout and controls for adjusting the temperature..

Will a hot water heater work with only one element?

So, can you run a water heater with only one element? Yes, a water heater can still run if the bottom element quits. However, the water heater won’t run efficiently and likely won’t produce enough hot water to satisfy your family’s needs running on just the top element.

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

The average thermostat replacement cost is between $100 and $300. Most other repairs are equally affordable. There are two main types: gas and electric. A gas unit works by way of a gas flame while an electric one works using electric elements, or coils.

Do electric hot water heaters have a thermostat?

Depending on the gallon size of the tank, an electric water heater consists of one or two thermostats which regulate the temperature of the water. The thermostats work by turning the heating elements on when the water cools below a particular temperature.

What causes a water heater thermostat to burn up?

A shorted heating element—It may be that the thermostat is working just fine and shutting off the heating element. But a short in the element is causing it to continue to heat your water. Loose wiring—A loose wire in the water heater can generate heat that can cause the high-limit switch to trip.

Where should a hot water heater be located?

Most water heaters are located in the home’s garage, basement, or attic. Water heaters (not including tankless) can take up a lot of space. These areas are usually the best place to store your heater to best accommodate the size. Some homes require 2 water heaters.

How do I reset the thermostat on my 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.

How do you test a thermostat?

Here’s how to test your thermostat to see if it works: With the power to the furnace off, remove the thermostat or thermostat cover to expose the wires. … Unscrew and remove the wires from their terminals. … Twist the bare ends of the two wires together. … Turn the power to the furnace back on.More items…•

Does a hot water heater have to be perfectly level?

New water heaters or water heaters that are placed on an un-level surface, need to be leveled and shimmed for them to work properly. … Shimming must ideally be done before the pipes are hooked up to the water heater. This will avoid unnecessary strain on the joints once they are set in place.

Should an electric water heater be off of the floor?

It is not necessary for electric water heaters or gas water heaters manufactured after mid-2003. The code states that “appliances having an ignition source shall be elevated not less than 18 inches (457 mm) above the floor in garages,” and the purpose of this stipulation is fire safety.

Do electric water heaters need to be raised?

1) Gas water heater in the garage: A gas water heater inside the garage needs to be elevated at least 18 inches off the ground. … There is no pilot light on an electric water heater, so the rules are different. 4) Electric water heater inside: An electric water heater inside the house does not need to be elevated.

How long do hot water heater thermostats last?

Your system is old: On average, your hot water heater should last anywhere between 6 to 13 years.

How do I troubleshoot my electric water heater thermostat?

First, reset any tripped circuit breaker, and replace any blown fuse. Next, check if power is being supplied to the electric water heating element thermostat. Test the element, and if it’s faulty, replace it.

How can you tell if a heating element is bad?

Touch a probe on the multitester to each screw on the element. If you get no reading, or a maximum reading, the element is bad. Elements do have some resistance, so a reading of 10-16 ohms is normal, with higher ohm readings for 3,500 watt elements and lower readings for 5,500 watt elements.

What is the reset button on hot water heater for?

Your water heater reset button is a safety device that shuts off power to your water heater when the water temperature inside it exceeds 180 degrees Fahrenheit. Side note: the reset button is also sometimes referred to as the ECO (emergency cut off) switch or “high limit safety thermostat switch”.

Why is the water in my house not getting hot?

A water heater that produces no hot water may not be getting power, or it may have a tripped limit switch or one or more failed heating elements. First, check the water heater’s circuit breaker in the service panel to make sure it hasn’t tripped. If the breaker has tripped, switch it off, then switch it back on again.