.

Keeping this in consideration, are all water heater elements the same?

There are three types: screw in, bolt in and clamp in. They all have different wattage ratings and can work on either 120 or 240 voltage. Check your state and local codes before starting any project.

One may also ask, are water heater elements Universal? The Flat and the Universal Flange elements' are fastened to the tank using four 3/8 inches bolts. The Round Head water heater element is bolted to the tank using a separate four-bolt flange. Today, all residential water heaters and manufacturers only use Screw-in style water heater elements'.

Also asked, should both thermostats on water heater be set the same?

If your water heater has two thermostats, adjust both the same amount. The top thermostat should be a few degrees higher than the bottom.

Are upper and lower water heater elements the same?

The top and bottom elements are controlled by separate thermostats. When the water on the top of the tank is hot, the top element turns off and the lower one heats. The upper and lower heating elements never come on at the same time.