Johnson Pump 1000 GPH Multi Port Shower Sump Pump 12V w/Switch [57151]1000 GPH Multi Port Shower Sump Pump 12V with Switch This compact shower sump system is designed to meet the higher demands of today's boating industry where more equipment is used. This also includes the freshwater system onboard and involves showers, dish washing machines, galley sinks, etc. The shower sump turns on off automatically using our Ultima switch technology and has multiple inlet ports for handling wastewater from more than one tapping

Anti-clog impeller design

It easily collapses for flat compact storage without tools

For Thru-Hull Size Inches: 3/8 & 1/2

1/8" aluminum 5052 alloy

Operation is simple

but also mid-range performance

Raymarine 1 meter Spur Cable for SeaTalkng

Fastest Lay-Down on the market

Width of Tab: 12"

and windlasses

ULTIMA activates at a 50 mm (2") fluid level and deactivates at a 20 mm (3/4") fluid level

Dual action control allows water level to be varied