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Versatile Commodore 1100 Gph Automatic Amp Sensor Bilge Pump #cm-b31-1100b Pro Version [5TJocjUO]

$23.99 $76.99 -69%

Download LiteratureCommodore CM-B31-1100B Bilge Pumps1100 GPH Automatic AMP Sensor Bilge Pump - 12VThe B31-Series Automatic Bilge Pump offers unparalleled efficiency and reliability for marine applications. Designed with a compact, automatic operati

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Download Literature

Commodore CM-B31-1100B Bilge Pumps

1100 GPH Automatic AMP Sensor Bilge Pump - 12V

The B31-Series Automatic Bilge Pump offers unparalleled efficiency and reliability for marine applications. Designed with a compact, automatic operation, this high-performance pump eliminates the need for a separate float switch. With a flow rate of 1100 GPH and compatibility with both 12V and 24V systems, it is perfect for a wide range of vessels. Durable, marine-grade materials and advanced features ensure a long service life, while the quick-connect components make installation and maintenance a breeze. Whether you're upgrading or replacing a bilge pump, the B31-Series delivers powerful performance and unmatched convenience.

Features:

  • Quick-Connect Wiring: Features threaded outlets and quick-connect wiring for seamless installation and maintenance. Replace the motor or base in seconds, not hours! Allows to user to switch the pump out in seconds between the quick disconnect base, quick disconnect wiring, and quick disconnect plumbing.
  • Automatic Operation: No float switch is required. The pump checks for water every 2.5 minutes and activates only when needed, conserving energy and ensuring optimal performance.
  • High Flow Capacity: Capable of pumping 1100 GPH, this pump is ideal for quickly removing bilge water, even in challenging marine conditions.
  • Durable Marine-Grade Materials: Built with a stainless-steel motor shaft, moisture-tight seals, and marine-grade, silicon-blocked wiring, it is designed to withstand harsh marine environments.
  • Submersible and Ignition Protected: Fully submersible and meets or exceeds ISO 8846 and ISO 8849 standards for safe operation in explosive atmospheres.
  • Built-In Check Valve: Prevents water backflow, ensuring that your bilge remains dry and efficient between pump cycles.
  • Dual Outlet Compatibility: Includes fittings for 3/4 inch and 1-1/8 inch hoses, offering flexible compatibility with existing plumbing.
  • Warranty: Backed by a 4-year warranty, providing peace of mind and reliable performance.

Specifications:

  • Weight: 1.03 lbs
  • Flow Rate: 1100 GPH
  • Volts: 12V
  • Current: 4.0A
  • Head: 12.0' (4.0m)

Included Components:

  • Dual-size straight fitting (3/4 inch and 1-1/8 inch)
  • Optional 90-degree angled fitting (1-1/8 inch)
  • Quick-connect wiring for hassle-free setup

Normalized SKU: CMB311100B
UPC Code: 817683023017

Commodore CM-B31-1100B Literature Download

Quick Reference Guide

What Our Customers Say

January 1, 2026

Absolutely no complaints!

An excellent item. I thank you.

- Paige W..

January 1, 2026

Absolutely no complaints!

In love with its simplicity and power.

- Evan M..

January 1, 2026

Absolutely no complaints!

A must-have item in every household.

- Santino R..

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