Why does a water heater have two thermostats?
Most electric water heaters above 20 gallons have two thermostats that sense the temperature of the water in both the top and bottom of the tank. The upper thermostat is the boss and always tells the lower thermostat what to do.
Where is the thermostat on a whirlpool hot water heater?
If your water heater has only one thermostat, it is located behind the lower access cover. Remove the upper and lower element covers.
Where is the thermostat on my hot water cylinder?
Thermostats are usually installed about one third of the way up the hot water cylinder.
Are electric water heater thermostats universal?
Are Electric Water Heater Thermostats 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, there is a difference in the upper and lower thermostats in dual-element water heaters.
How much is a new thermostat for a water heater?
The average thermostat replacement cost is between $100 and $300. Most other repairs are equally affordable. There are two main types: gas and electric.
Should both thermostats on water heater be set the same?
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.
Is 140 too hot for water heater?
Professionals recommend keeping your water heater set at a temperature between 130 and 140 degrees Fahrenheit. Any higher, or lower, could actually be dangerous for you and your family. While turning the temperature up higher can result in burns, turning it lower than the recommended setting can also be dangerous.
How do I know if my hot water heater thermostat is bad?
If the water temperature is below the thermostat’s set temperature, the multimeter should display close to zero ohms of resistance. If the water temperature is above the thermostat’s set temperature setting, the multimeter should display no continuity. An opposite reading indicates a faulty thermostat.