Pumps and machines for use in the processing of water, namely, aeration pumps for ponds, electrical pumps for ponds, water pumps for aerating ponds, water pumps for use in garden ponds, and electronic controllers for time- and sensor control thereof, sold together as a unit; Pumps and machines for use in the processing of water, namely, water pumps for spas baths, whirlpools, swimming pools and water filtering units, and electronic controllers for time- and sensor control thereof, sold togeth...