What is the difference between a foot valve and a solenoid valve?

What is the difference between a foot valve and a solenoid valve?

Foot valve usually refers to the switch form. The valve is used in conjunction with the foot switch. The foot switch is equivalent to Control power signal;the power control of the solenoid valve is also a switch type, and the controller is different.

There is also the simplest foot valve, which has no power control and relies on pressure and spring to work