Attwood, Shower Sump Pump Assembly, Large Box, 750 gph

Mfr: Attwood
Attwood, Shower Sump Assembly, Large Box, 750 gph, 12 volt
SKU: 115847
Mfg# 4143
LFS# ATT41434
UNIT: Each
Description: shower Sump Box and PumpFlow Rate: 750 gph maxVoltage: 12v
In Stock - Ships out in 1 Business Day

The Attwood Large Box Shower Sump Assembly combines a sump pump with a sump collection box with three inlets and a 3/4" outlet to deliver fast water flow into and out of your boat's sump. The sump box lid snaps in place offering quick installation as well as easy inspection and removal for cleaning.

  • Sump box air vent prevents air locks
  • Lid gasket seals sump box against overflow
  • Meets or exceeds all applicable ABYC and USCG standards
  • Overall dimensions: 13" L x 7-23/64" W x 4-7/16" H
  • Outlet: 3/4"
  • Inlets:
    • One: 3/4'
    • One: 3/4" / 1" (stepped)
    • One: 1-1/8" / 1-1/4" (stepped)

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Q: I am looking at your 12 deluxe shower drain box but cant seem to find the actual dimensions of the box. I only have a small space to put it in so would appreciate it if you could give me the sizes of your biggest box. A: he overall dimensions for the large shower drain box. Length overall including hose connections - 13" Minimum width requirements - 7.5" Height - 4 7/16"


The length of the warranty may vary by product, please refer to your product for the exact terms and conditions of the warranty for your purchase.


  • All returns must be received within 30 days of receipt of the order.
  • Manufacturer defects reported within 30 days of receipt will be supplied a pre-paid label for return shipping upon approval.
  • Please contact Go2marine LFS Marine and Outdoor for Manufacture Defects, Returns and help with Warranties.