
BilgeSentinel™automatic bilge pump
Pump construction and how it switches
Pump Capacity
The pump has a flow capacity of 750 GPH and is used for bilge drainage on boats. Compare that figure with the size of your bilge and the layout of your boat when choosing a pump.
Float Switch
A built-in float switch follows the water level in the bilge. The pump starts when water reaches the trigger point and stops on its own once the water drops back down.

Housing and Shaft
The housing is molded from ABS747 and the shaft is stainless steel. The pump sits low in the bilge, so these are the materials you will find in contact with bilge water.
Filter and Impeller
A built-in filter and an anti-fouling impeller are part of the pump. They are fitted for bilges where weeds, string and hair can collect and reach the moving parts.
Frequently Asked Questions

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Your free gift: Free Gift - Waterproof Phone PouchFREEBilgeSentinel: An Automatic Bilge Pump for Boats
BilgeSentinel is an automatic bilge pump that mounts low in a boat's bilge, the lowest part of the hull where water collects. A built-in float switch monitors the water level, starts the pump and shuts it off when the bilge is dry.
This submersible bilge pump has an ABS747 housing and a stainless steel shaft. A built-in filter and an anti-fouling impeller are fitted to handle weeds, string and hair.
Common settings for a bilge pump for boat use include small to mid-size boats, dock slips and moorings. The automatic bilge pump ships with a mounting hardware kit, a quick-start installation guide and a printed FAQ and troubleshooting card.
- Built-in float switch with automatic shut-off
- Stainless steel shaft
- Mounting hardware included




