Shower and Drain Sump Pump System

Attwood’s shower sump systems deliver the performance you’ve been asking for. Choose from the 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 valve to prevent air locks. Meets or exceeds all applicable of the ABYC and USCG.

Model       Voltage     Wire Length    Box Size     Part Number
500 gph    12-Volt          36" wire          Standard        4141-4
750 gph    12-volt          36" wire          Standard        4142-1
750 gph    12-Volt          36" wire           Large            4143-4
750 gph    24-Volts         36" wire          Large             4144-1
750 gph    24-volts         36" wire          Standard        4145-1