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4 Gallon - 12 Volt Marine SuperSump Shower Sump Tank - ST-6048

4-gallon 12V SuperSump® with 1250 GPH pump. Floatless switch, back-flow valve & odor-sealed polyethylene tank for marine shower or sink drainage.

Reference: ST-6048
In Stock: 4
$289.00

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The Automatic SuperSump® Shower Sump Tank (Part #ST-6048) is engineered for reliable marine wastewater management, combining high performance, durability, and ease of use. With a 4-gallon capacity and a 1250 GPH bilge pump, this system efficiently removes water from your shower, tub, or sink, eliminating overflow issues that occur with smaller sump tanks.

Constructed from rotationally molded polyethylene with a 3/8” wall thickness, the SuperSump® offers long-lasting strength and resistance to corrosion. Its sealed floatless switch features no moving parts, ensuring dependable automatic operation without mechanical wear.

This versatile sump includes four inlet ports — three 1-1/4” FPT and one 3/4” FPT — to accommodate multiple drains. The 1-1/8” and 3/4” outlet hose adapters allow flexible installation, while the large back-flow valve prevents excessive pump cycling. A deck plate with an O-ring gasket minimizes odors and provides convenient access for cleaning and maintenance.

Specifications:

  • Part Number: ST-6048

  • Tank Dimensions: 13.125” L x 10” W x 8” H

  • Capacity: 4 Gallons

  • Pump Voltage: 12 Volts

  • Pump Size: 1250 GPH

  • Tank Material: 3/8” wall rotationally molded polyethylene

  • Switch Type: Floatless sealed (no moving parts)

  • Inlets: (3) 1-1/4” FPT and (1) 3/4” FPT

  • Outlets: 1-1/8” and 3/4” hose adapters

  • Back-flow valve reduces pump cycling

  • Deck plate with O-ring gasket minimizes odor and eases servicing

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