Which element in water heater should be set higher?
Do both elements heat same time water heater?
Are upper and lower water heater elements the same?
Which element comes on first in a water heater?
Can water heater work with one element?
Does the length of a water heater element matter?
How do dual-element water heaters work?
Why does a water heater have two elements?
Why do water heaters have two thermostats?
What temperature should water heater be set at?
Why does my hot water heater only have one element?
Is 140 too hot for water heater?
How do you test a water heater element?
Can you use an upper thermostat on a single element water heater?
Do electric water heaters have 2 elements?
Do all electric water heaters have two thermostats?
It controls both the upper and lower elements. … 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.