Efficient aerator motor
Aqua-Aerobic Systems offers Endura Series Motors for Aqua-Jet surface aerators and AquaDDM direct-drive mixers. The motors are available in a variety of power ratings. They require no greasing and limited maintenance for five years. A NEMA 841 motor has an efficiency 5 to 7 percent higher than the standard motor. 800/940-5008; www.aqua-aerobic.com.
Multi-channel controller
The MultiCELL Type 8619 multi-channel controller from Burkert Fluid Control Systems can monitor functions as a flow indicator and measure the ORP value or percentage retention value in reverse osmosis systems. It can also be used for regulation
