Description
800 GPH Shower Sump MK2 System – 12V
Attwood’s shower sump systems deliver the performance you’ve been asking for. Choose from standard or large box sizes. They offer fast water flow into and out of the sump. The lid snaps into place 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 airlocks. It meets or exceeds all applicable standards of the ABYC and USCG.
Specifications:
- 800 GPH
- Amp Draw: 2.5
- Rated Voltage: 12V
- Fuse Size: 5A
- Outlet Hose Size: 3/4″ I.D.
- Wire/Connector: 22″ wire

![Attwood 800 GPH Shower Sump MK2 System - 12V [5143-4]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/attwood-800-gph-shower-sump-mk2-system-12v-5143-4.webp)
![Attwood Tsunami MK2 Manual Bilge Pump - T800 - 800 GPH12V [5608-7]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/attwood-tsunami-mk2-manual-bilge-pump-t800-800-gph12v-5608-7.webp)
![Rule 1800 Sump/Utility Pump w/24' Cord [A53S-24]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/rule-1800-sump-utility-pump-w-24-cord-a53s-24.webp)
![Rule 1500 G.P.H. Automatic Bilge Pump [51S]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/rule-1500-g-p-h-automatic-bilge-pump-51s.webp)
![Attwood Tsunami MK2 Manual Bilge Pump - T1200 - 1200 GPH12V [5612-7]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/attwood-tsunami-mk2-manual-bilge-pump-t1200-1200-gph12v-5612-7.webp)
![Rule 2000 G.P.H. Bilge Pump [10]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/rule-2000-g-p-h-bilge-pump-10.webp)
![Attwood Kayak Hand Bilge Pump [11595-2]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/attwood-kayak-hand-bilge-pump-11595-2.webp)
![Rule 2000 G.P.H. "Gold Series" Bilge Pump [09]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/rule-2000-g-p-h-gold-series-bilge-pump-09.webp)
![Rule 2000 G.P.H. Automatic Bilge Pump [53S]](https://www.goodmarinewiring.com/wp-content/uploads/2026/08/rule-2000-g-p-h-automatic-bilge-pump-53s.webp)