Choices and Considerations for Shower and Sump Pumps


A fully-stocked modern 36-40 foot powerboat can contain more than a dozen pumps that carry out an array of tasks. Sump pumps are commonly used to move shower, sink or sump water from the utility to storage tanks in the vessel. The water will be pumped into a gray water waste tank, which can be emptied out at the dock, using another pump.

These utility pumps typically come with a built-in pressure valve that shuts down the pressurizing system when the pump reaches full pressure. Most marine pumps that move these slurry liquids are diaphragm pumps. These products contain an internal chamber with an entrance and exit, and a membrane that expands when the chamber draws in water.

The 50880 Series Jabsco sink, shower and bilge pump, is a quiet-running pump that boasts a flow rate of over four gallons per minute. It is available in either 12 or 24 DC volts and is fully resistant to corrosion.

Jabsco’s diaphragm pumps can be used to pump sump water at a flow rate of 3-5 gallons per minute, and can often be used for deck washing as well. Additionally, the unique design of this product allows for it to run dry for extended periods without damage.

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