Attwood Catalog 2025

WATER SYSTEMS 19

attwoodmarine.com

Sump Boxes

Shower Sump Pump Systems Mk2 Attwood’s shower sump systems deliver the performance you’ve been asking for. Choose from standard box or large box sizes. Offering fast water flow into and out of sump. The lid snaps in to allow quick installation (and removal for cleaning) and includes a gasket to seal the sump box against overflow. The sump box even includes an air vent to prevent air locks. Meets or exceeds all applicable standards of the ABYC and USCG.

5141

Model No.

Rated Voltage

Fuse Size

Outlet Hose Size

Wire/ Connector

Box Size

OEM Part # Part #

5141-1 5142-1 5143-1 5144-1 5145-1

5141-4

500 GPH 12V 3A 3/4" I.D. 800 GPH 12V 5A 3/4" I.D. 800 GPH 12V 5A 3/4" I.D. 800 GPH 24V 2A 3/4" I.D. 800 GPH 24V 2A 3/4" I.D.

22" wire Standard 22" wire Standard 22" wire Large 22" wire Large 22" wire Standard

5143-4

— —

AK5141-4 AK5143-4

Lid Lid

Standard —

Head Sink

Large

Shower Stall

Galley Sink

Output Ratings

GPH Output @ Design Voltage 13.6V DC

GPH Output @ Nominal Voltage 12.0V DC

5143

Model

Amp Draw 0 ft

3.3 ft

6.7 ft

0 ft 385 570

3.3 ft

6.7 ft

500 GPH 1.4 800 GPH 2.5

420 360 650 500

215 385

290 420

130 290

Performance for 24V version is the same (Uses 2 Amp Fuses)

Outlet Overboard

Optional Inlet Locations

Multiple Inlets Can Be Hooked Up to More Than One Drain – Using Different Hose Sizes

Head Sink

Shower Stall

Galley Sink

Outlet Overboard

Outlet Overboard

Optional Inlet Locations

Shower Sump Pump Systems Dimensions

2-5/16" 2-5/16"

3/4" dia. 3/4" dia.

8-1/8" 8-1/8"

7-23/64" 7-23/64"

13" 13"

10-1/2" 10-1/2"

Outlet Overboard

(3/4"), (1") dia. (3/4"), (1") dia.

4-7/16" 4-7/16"

4-1/2" 4-1/2"

3/4" dia. 3/4" dia.

(1-1/8"), (1-1/2") dia. (1-1/8"), (1-1/2") dia.

Standard Box

Large Box

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