Except for the no-power versions, electricity is required for bidet functions on Toto bidets. They work like normal industrial hydraulics. They have a small lo

Except for the no-power versions, electricity is required for bidet functions on Toto bidets. They work like normal industrial hydraulics. They have a small low-power electric pilot valve, which lets hydraulic pressure into the right place to move the boom in and out, and release water.