SEAFLO 1100 GPH Automatic Bilge Pump - 12V Marine Water Pump (19mm Outlet)

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Premium Marine Protection: SEAFLO 1100 GPH Automatic Bilge Pump

Ensure superior vessel safety with the heavy-duty SEAFLO 1100 GPH Automatic Bilge Pump. Specially engineered for rugged marine environments, this fully integrated submersible pump operates on a 12V DC system to swiftly evacuate bilge water. Featuring an advanced built-in magnetic float switch, it eliminates the need for any external switch mechanism, starting automatically when water rises and cutting power when the bilge is cleared.

High-End Materials & Construction

  • Marine-Grade Housing: Injection-molded from UV-stabilized, high-impact ABS thermoplastic to resist thermal stress and impact.
  • Heavy-Duty Motor: Equipped with a corrosion-resistant, saltwater-rated 316 stainless steel shaft and a hermetically sealed, liquid-cooled motor chamber.
  • Debris-Shielding Base: Quick-release strainer base allows for effortless maintenance and protects the impeller from foreign obstructions.

Key Technical Features

  • Fully automatic operation with integrated electronic sensor system.
  • Ignition protected design (ISO 8849) for safe installation near fuel compartments.
  • Seawater-resistant composition protects internal mechanical seals from prolonged brackish water exposure.

Infographic detailing the Airow Marine SEAFLO automatic bilge pump specifications, including 1100 GPH flow rate, integrated magnetic float switch, seawater resistance, 12V voltage, and 19mm outlet.

Frequently Asked Questions

Can this automatic bilge pump run dry without damaging the motor?
Yes, the SEAFLO 1100 GPH automatic pump features a hermetically sealed, liquid-cooled motor design. While prolonged dry running should be avoided to extend seal life, the pump easily handles short-term dry running during automatic cycle checks safely.
Does this pump require a separate float switch installation?
No. This pump utilizes an advanced, integrated magnetic float switch. It automatically turns on when water levels rise above 2 inches and shuts off when the water drops below 3/4 inch, eliminating the need for external wiring or separate float switch installations.
How does this pump perform in harsh saltwater environments?
This pump is engineered specifically for marine environments. It features a corrosion-proof, UV-stabilized ABS thermoplastic body and a marine-grade 316 stainless steel motor shaft, ensuring superior resistance to saltwater oxidation and acidic bilge chemistry.

Engineering Specs

REV: 2025.Q4 // TECH-STANDARD
Material_Grade
Marine Grade ABS Body with 316 Stainless Steel Motor Shaft
Surface_Finish
Injection Molded Matte Base with High-Gloss Polished Top Cover
UV_Resistance
UV-Stabilized High-Impact ABS Thermoplastic
Corrosion_Rating
Saltwater Resistant Stainless Steel Shaft & Sealed Magnetics
Compatibility
Bass Boats, Center Consoles, Yachts, Pontoon Boats, Utility Vessels
Hull_Integration
Fiberglass, Aluminum, Wood, Carbon Fiber
Standard_Ref
Universal 1100 GPH Automatic Retrofit

ESTABLISHED 2017

AirowMarine

Professional Marine Hardware for a Safer Voyage.

Design engineers and marine consultants reviewing technical blueprints and a stainless steel porthole window assembly in an office overlooking a container port.

Our Roots

Hong Kong Based, 8 Years of Expertise

The story of AirowMarine began eight years ago. Headquartered in Hong Kong, we have been dedicated to the global operation and brand building of marine accessories. These eight years of experience have taught us that on the unpredictable sea, every single component carries the trust and safety of the boat owner.

B2B marine hardware production: A massive mirror-polished 316 stainless steel boat anchor being hoisted for quality verification in AirowMarine’s industrial workshop in mainland China.

Supply Chain

Invested Factories in Mainland China

To ensure our products withstand extreme environments, we are more than just a bridge for trade. AirowMarine has invested in its own manufacturing facilities in Mainland China. Leveraging the region's mature and efficient industrial supply chain, we are deeply involved in the entire process—from raw material selection and precision machining to final assembly. We avoid exaggerated claims; instead, through professional logistics and rigorous quality control, we ensure every product delivered to you meets high nautical-grade standards.

Technical quality control inspection showing a Mitutoyo digital caliper measuring a polished marine fitting at 12.45mm precision.

Reliability

Strict QC & Global Logistics

As a provider of marine accessories, our business is intimately connected to the water. We believe that protecting the ocean is not just a slogan; it must be reflected in every detail of our business. Currently, AirowMarine is continuously optimizing our packaging solutions: we maximize the reduction of single-use plastics in our packaging and shipping processes, using recyclable paper-based cushioning materials whenever possible. Our products are built to power your voyage, while our packaging is designed to protect the purity of the blue sea.

Close-up of a 316 stainless steel circular louvered deck vent in eco-friendly honeycomb paper packaging with AirowMarine shipping label.

Our Mission

Protecting the Blue, Plastic-Free

We are aware that there is always room for improvement, but we have never stopped in our pursuit of excellence and environmental responsibility. AirowMarine is committed to providing you with durable, reliable, and eco-conscious marine accessories.

Expert Guidance

Technical help in 24 hours

International Delivery

Secure & Tracked Shipping

Custom Solutions

Tailored parts for your boat

Factory Direct

Invested supply, best value

Proven Quality

Tested for nautical safety