4.0 Aqua Jet Pump - Johnson Pump
These 5-chamber diaphragm pumps feature dramatically lower noise and water pulsation compared to 3- or 4-chamber designs. They are self-priming to 6.5' (8.2' for 5.2 gpm model) have an integrated pressure switch and can run dry without damage. Use an inlet strainer before pump intake. Accumulator tanks are recommended. Connections for 3/8" NPT 1/2" hose and 1/2" NPT 3/4" hose.
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