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Kasco Circulators

Kasco High Oxygen Aerators

Reduce algae growth and mosquito populations
Save fish populations and boat docks from freezing water

Kasco Robust-Aire Systems are available as complete packages from one to six diffuser heads. These highly efficient and effective diffused aeration systems are designed and sized to meet most typical aeration applications and come complete with everything you need including all connectors and adapter fittings. Installation is quick and easy with Kasco’s exclusive SureSink weighted air lines by simply sinking in place without separate weighting or anchoring.


Model size min. depth voltage running amps
2400A 1/2 hp 15" 120V 5.0
3400A 3/4 hp 18" 120V 6.7
3400HA 3/4 hp 18" 240V 3.4
4400A 1 hp 19" 120V 11.3
4400HA 1 hp 19" 240V 5.7
8400A 2 hp 20" 240V 9.0
2.3A 2 hp 20" 230V Φ 3 4.5
3.1A 3 hp 24" 240V 10.7
3.3A 3 hp 24" 230V Φ 3 8.2
5.1A 5 hp 26" 240V 18
5.3A 5 hp 26" 230V Φ 3 13
Φ = Defines the phase number of phases.