Water Dispenser

Water Dispenser is a component of Electric Box. It drops water when powered.

Look
Water Dispenser looks like a square with round corners, that is filled with water.

Electric Box
When given electricity it pours drops of water, which can then be received by a Water Turbine.

Trivia

 * Water Dispenser is a 'half' of Refrigerator. The other 'half' is Steam Detector.
 * In Electric Box 2 it is replaced by Kettle Full of Water