Mayfair Replacement Proline Bilge Pump by Johnson Pump The Johnson Pump Proline Bilge Pump is a crucial boat accessory to remove excess water from your vessel. Proline Bilge Pumps are both ignition protected and 100 submersible. Equipped with a 316 stainless steel shaft as well as hardware 16GA wire 30 long. This bilge pump features a .75 hose barb discharge port and is engineered for a free easy flowing, non-clogging design. Each bilge pump is 100 factory tested. 12 volt pump with a 3 year warr