Name: Attwood 4142-1 Sahara Shower Sump System 750 GPH 12V Marine Boat Drain Small Box
Brand: Attwood
SKU: 4142-1
Price: 99.95 GBP
Availability: InStock

Attwood 4142-1 Sahara Shower Sump System 750 GPH 12V Marine Boat Drain Small Box

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£99.95

Tax included.

Attwood 4142-1 Shower Sump 750

750 GPH 12V Compact Drain System

The Attwood 4142-1 Sahara Shower Sump System is a high-capacity, all-in-one solution for managing grey water from boat showers and sinks. Designed with a compact "Small Box" footprint, it fits into tight spaces while providing a powerful 750 GPH flow rate. The system includes an automatic float switch and an internal mesh strainer to prevent debris from clogging the pump.

RELIABILITY: Built with an integrated air vent to prevent airlocks and a gasket-sealed lid to prevent overflows during heavy usage.

Key Features

✔ 750 GPH high-flow Sahara pump
✔ Multiple inlet port configurations
✔ Integrated check valve (clapper)
✔ Clear inspection lid with gasket
✔ Internal easy-clean mesh strainer

Technical Specs

Voltage:	12V DC
Flow Rate:	750 GPH
Amp Draw:	2.5 Amps
Fuse Size:	5 Amp
Outlet Size:	3/4" (19mm)
Wire Lead:	36 Inches
Standards:	ABYC, USCG

Inlet Port Guide

Port	Compatible Hose Sizes	Recommended Application
Inlet 1	3/4" or 1"	Sink / Condensate
Inlet 2	3/4"	Secondary Drain
Inlet 3	1-1/8" or 1-1/2"	Main Shower Drain

OEM Cross Reference

Attwood MPN	4142-1 (Bulk/Standard Box)
UPC	022697041425
Retail Equivalent	4142-4
Zoro Reference	G607989583

Questions & Answers

Is this a genuine original part?

Yes, this is a genuine Attwood Marine component, manufactured to the highest standards for marine plumbing systems.

How do I know if it is compatible?

Check the dimensions of your current sump box. This "Small Box" (Standard) version measures approximately 10.5" x 8.1" x 4.5". If your mounting area supports these dimensions and uses a 12V 750 GPH pump, this is the correct replacement.

What is the purpose of the integrated check valve?

The 4142-1 includes a clapper-style check valve on the outlet. This prevents water remaining in the discharge hose from flowing back into the sump when the pump shuts off, reducing odors and unnecessary pump cycling.

Note: Fast shipping available across the UK from 4Boats. Please verify your vessel's electrical and hose requirements before purchasing.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

Why choose us

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Every order is checked by the 4Boats team. Contact us before ordering if you need help with part numbers, compatibility or availability.

Attwood 4142-1 Sahara Shower Sump System 750 GPH 12V Marine Boat Drain Small Box