Question: What Makes Water Heater Elements Fail?

How do I know if I dry fired my hot water heater?

What is a Dry-Fired element?The zinc plating will have melted or completely burned off, leaving exposed copper.The tubing of the element will be completely annealed (soft) to a point that it can be easily bent in the straight sections of the tube.The terminal block may show signs of melting at the base next to the screw plug..

How long does a heating element last in a water heater?

6 to 10 yearsReplacing a Hot Water Heater Element Water heaters typically have a life span of 6 to 10 years, so if your heater is older, you can expect that it’ll be experiencing problems sooner than later.

Should both thermostats on water heater?

The majority of electric water heaters have two thermostats: an upper and a lower, located under two control panels. To ensure your electric water heater works as efficiently as possible, you should set both of the thermostats at the same temperature.

What element heats first in a water heater?

The upper thermostat first sends electrical energy to the upper element until the water temperature in the upper third of the tank reaches the thermostat setting. Power is then transferred to the lower element until the remaining water reaches the lower thermostat setting.

How do you know when your water heater needs replacing?

5 Signs You Need a New Water HeaterAn Old Unit. If your water heater is older, you can find its exact age by looking for the serial number on the manufacturer’s sticker near its top. … Rusty Water. If your hot water is rusty, your water heater could be rusting on the inside, and it might start leaking soon. … Not Enough Hot Water. … Rumbling and Noise. … Leaks.

Do both water heater elements run same time?

The upper and lower elements take turns heating the water, you will never have power to both at the same time. The upper one heats the water in the upper part of the tank first. Once it reaches the set temperature, it will shut off and then send power to the lower element.

Can you change a water heater element without draining the tank?

If you need to replace the heating element in your electric water heater, you may be thinking that you need to first drain the tank. … If the gasket sticks,remove the new gasket from the replacement element and re-use the old gasket. NOTE: You can not drain a heater from the high temp pop valve.

How much does it cost to replace a heating element in a hot water heater?

Heater Element Replacement Cost The typical professional charge to repair your heating elements is $200 to $300. There are two of these in each unit, one at the top and one at the bottom. The top element controls the bottom element and, if it goes bad, your unit won’t be able to generate hot water.

Why do water heater elements fail?

The most common cause of burned out elements on new water heater installations or new element replacements is DRYFIRE. This happens because the installer fails to open a hot water faucet while the heater tank is filling with water and therefore purging or bleeding air from the system.

What happens when a heating element goes out in a water heater?

When an electric hot water heater’s elements short out or burn through, cool water is the result. Typically, the lower element goes first, but that’s not always the case. Fortunately, a few quick electrical tests reveal which element you must replace in order to restore hot water to your home.

Why do geyser elements fail?

Mineral deposits in the water hasten an element’s demise. The heating cycle causes dissolved minerals to solidify. … Forced to work harder, the element eventually fails. You can turn off power to your water heater and drain the tank every few months.

Will a water heater work with 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 families needs running on just the top element.