Skip to product information
1 of 2

Brand: Commodore

Commodore 1100 GPH Automatic Bilge Pump, 12V

Commodore 1100 GPH Automatic Bilge Pump, 12V

Regular price $82.07
Regular price Sale price $82.07
Sale Sold out
Shipping calculated at checkout.

3 available

About this product

This Commodore B31-Series 1100 GPH automatic bilge pump provides efficient water removal for marine vessels without the need for a separate float switch. It features an integrated sensor that checks for water every 2.5 minutes, activating only when necessary to help conserve battery power.

Key Features:

  • Automatic operation with built-in sensor; no float switch required.
  • 1100 GPH flow rate with a 12V power requirement.
  • Constructed with a stainless-steel motor shaft, moisture-tight seals, and silicon-blocked wiring.
  • Submersible design, ignition protected, and compliant with ISO 8846 and ISO 8849 standards.
  • Includes a built-in check valve to prevent water backflow.
  • Quick-connect design for the base, wiring, and plumbing for simplified installation and maintenance.
  • Dual outlet compatibility for 3/4 in. and 1-1/8 in. hoses.
  • Includes dual-size straight fitting and optional 90-degree 1-1/8 in. angled fitting.
  • Backed by a 4-year manufacturer warranty.

Technical Specifications:

  • Model: CM-B31-1100B
  • Current: 4.0A
  • Head height: 12 ft.
  • Weight: 1.03 lbs
Quantity
  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-116287
Model / MPN
CM-B31-1100B
UPC / GTIN
817683023017
Package dimensions (H × W × L)
3" X 5" X 5"
Package weight
1.26 lb
Country of origin
CHINA

Specifications

Gallons Per Hour
1100 GPH
Operation
Automatic
Outlet Size
3/4" or 1-1/8"
Type
Electric
Volts
12v

Shipping & returns

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.