Key Features

• ✔ High Capacity Pump: Integrated 750 Gallons Per Hour (GPH) pump for fast and effective waste water removal.
• ✔ Anti-Airlock Design: Integral air vent prevents air locks, ensuring consistent pump operation.
• ✔ Clear Inspection Lid: Allows for quick visual monitoring of the sump's interior and easy identification of any issues.
• ✔ Secure Gasket Seal: Lid includes a gasket to prevent spillage and overflow, even when the unit is not active.
• ✔ Multiple Inlet Ports: Accommodates various hose sizes (3/4", 1", 1-1/8", 1-1/2") for flexible plumbing connections.
• ✔ Easy Maintenance: Removable mesh strainer protects the pump from debris and can be cleaned effortlessly.
• ✔ Durable Marine-Grade Construction: Built from robust, non-corrosive materials (ABS plastic) to withstand harsh marine conditions.

Technical Specs

What is a shower sump pump used for in a boat?

A shower sump pump system, like the Attwood 4142-1, is used to collect and automatically discharge grey water from showers and sinks on a boat, preventing it from accumulating in the bilge.

How does the Attwood 4142-1 prevent air locks?

This unit features an integral air vent that effectively prevents air from becoming trapped in the system, ensuring smooth and consistent operation of the pump.

Is this shower sump system easy to install and maintain?

Yes, the Attwood 4142-1 is designed for easy installation with pre-fitted inlets and slotted mounting feet. Maintenance is also straightforward thanks to its clear inspection lid and easily removable mesh strainer.

What hose sizes can be connected to this sump box?

The Attwood Shower Sump 750 Small Box is equipped with multiple inlet ports designed to accommodate various hose diameters, including 3/4", 1", 1-1/8", and 1-1/2". The outlet port is 3/4" I.D.