Cartridge Aerator Pumps

Limited 3 Year Warranty
Capacities 500, 750, 1000 and 1250 GPH
Available in two different intake configurations: straight or 90°
Compact, easily replaceable all-in-one motor/impeller unit
No tools needed for maintenance
Extremely energy efficient
Water-cooled motor for long service intervals
Improved design with easy-to-install Dura-Port discharge ports (straight and a 90° smooth elbow included) eliminate stress cracking caused by over-tightened hose clamps
Meets the international standard, ISO 8849 marine

Part No.	Part No. USA	Description	Voltage	Capacities	Hose sizes
32-2850	28503	Cartridge Aerator Pump 500 GPH 12V Straight	12V	500 GPH (32 L/min)	3/4"
32-3850	38503	Cartridge Aerator Pump 500 GPH 12V 90°		500 GPH (32 L/min)
32-2870	28703	Cartridge Aerator Pump 750 GPH 12V Straight		750 GPH (47 L/min)
32-3870	38703	Cartridge Aerator Pump 750 GPH 12V 90°		750 GPH (47 L/min)
n/a*	28103-00	Cartridge Aerator Pump 1000 GPH 12V Straight		1000 GPH (63 L/min)
n/a*	38103	Cartridge Aerator Pump 1000 GPH 12V 90°		1000 GPH (63 L/min)
n/a*	28123**	Cartridge Aerator Pump 1250 GPH straight		1250 GPH (79 L/min)	1 1/8"
not available outside of the US * 1⅛" outlet. Does not include Dura-Port

See this product in the Johnson Pump Marine Catalog: US ‖ GB ‖ DE ‖ ES ‖ FI ‖ SV

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