When there s no hot water the problem can stem from lack of power a faulty electric thermostat or a faulty upper electric heating element.
Electric hot water heater issues.
Some of the typical problems that occur are common to both types but other issues are unique to electric water heaters.
Keep in mind that your household needs 75 of your water heater s capacity for hot water.
Before checking any electrical parts of a water heater shut off the power to the heater s circuit by turning off the appropriate breaker in your home s service panel breaker box.
If your hot water usage is more than 75 of the water heater s capacity consider installing a bigger water heater.
Since i cannot figure out what seems to be the problem with the one in the office i might as well call for a commercial heater repair company for help.
An electric hot water heater is actually not a complicated device.
The water could be hot enough to cause burns or it could lead to pressure issues inside the hot water tank.
Several types of electric water heater issues can cause problems with water temperature.
Is scalding and a mixing valve may be needed for safety.
Beware that any temperature above 120 degf.
How electric water heaters work electric water heaters use either 120 or 240 volt power 240 volts is more common to energize metal heating elements that protrude into the water heater tank through the side wall.
Start by ruling out power.
If you need 30 gallons of hot water and you have a 40 gallon tank you re fine.
That helps when.
If the electric water heater output water is too hot you can adjust the thermostat to a lower setting.
Typical settings are 140 to 160 degf.
It s also possible you have a burner problem.
Symptoms can range from no hot water to inadequate hot water to water that s too hot.