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Seaflo Bilge Pump Review: Fast, low-draw 12V 500 GPH drainage

Seaflo 12v 500 GPH Bilge Pump by Seaflo
4.5
[High Flow Rate]  500 GPH pump delivers rapid water transfer for efficient pumping tasks.
[12V Compatibility]  Runs on 12V for easy vehicle and marine power compatibility.
[Low Current Draw]  Only 2A normal draw (3A peak) minimizes power use and electrical strain.
[Compact Dimensions]  4.25 in H x 2.77 in W fits standard strainer bases for easy installation.
[International Availability]  Sold internationally; specifications, labeling, or fit may vary by region.
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A compact marine bilge pump designed to remove water quickly from small boats and tanks, rated at 12 volt and 500 gallons per hour. For owners who want straightforward, low-draw reliability, Seaflo Bilge Pump promises fast, dependable clearance. Is it the right fit for your boat and electrical setup?

⚡ At a Glance
  • Pumping Capacity: 12 volt, 500 gallons per hour flow rate
  • Best for: Small boats, tenders and tanks needing quick bilge clearance
  • Not ideal for: Large commercial vessels requiring very high-capacity pumping

Compact 12 volt pump rated at 500 gallons per hour with a 3/4" hose outlet. Typical current draw is 2 Amp, with 3 Amp maximum and a recommended 5 Amp fuse.


Rapid bilge clearance - Thanks to 500 GPH flow rate

A 12 volt supply powers the pump, delivering a rated flow of 500 gallons per hour, a figure that determines how quickly standing water is moved out. The 3/4" outlet matches common hose sizes so flow is not restricted at the plumbing connection.

Fast-moving water reduces time spent bailing and helps keep the bilge dry after heavy rain or water ingress. Suitable for clearing small to medium bilges quickly.

Low electrical demand - With a 2 Amp nominal current draw

Electrical specifications state a typical draw of 2 Amp under normal conditions, rising to 3 Amp at peak. A 5 Amp fuse is specified to protect the circuit.

Gentle power draw helps preserve battery capacity on vessels with limited electrical systems. Easy to install on boats where conserving battery life matters.

Compact installation - With dimensions that fit standard strainer bases

Height measures 4.25" and width 2.77", dimensions that are listed as compatible with standard strainer bases. The design includes a 3/4" hose outlet to pair with common marine hose sizes.

Straightforward retrofit for many existing bilge setups, reducing the need for new mounting hardware. Works well where space is confined and access is limited.

✨ The 4 Key Reasons for Seaflo Bilge Pump
  1. 500 GPH Flow Rate - Rapid clearance for small to medium bilges in minutes
  2. Low Electrical Draw - Uses around 2 Amp typical, conserves battery power when running
  3. Standard Strainer Fit - Drop-in replacement for many existing installations on small boats
  4. 3/4-inch Hose Outlet - Works with common marine hoses for straightforward plumbing
📋 Technical Details at a Glance
  • Category: Home Improvement
  • Type: Bilge Pump
  • Flow Rate: 500 gallons per hour
  • Voltage: 12 volt
  • Current Draw: 2 Amp nominal
❓ Frequently Asked Questions

Q: Is this pump suitable for small boats and tenders?

A: Yes, specifications and user feedback indicate suitability for small boats, tenders and tanks where a 500 GPH capacity is appropriate.

Q: What are the electrical requirements for installation?

A: A 12 volt supply is required, with a typical current draw of 2 Amp and a maximum of 3 Amp; use a 5 Amp fuse as specified.

Q: What hose size and mounting fit does it use?

A: The pump uses a 3/4" hose outlet and dimensions (4.25" high x 2.77" wide) that fit standard strainer bases, making plumbing and mounting straightforward.

🏆 Our Verdict

The Seaflo Bilge Pump is well suited to owners of small boats or tanks who need dependable, rapid bilge clearance and straightforward installation. A combination of 500 GPH flow, low electrical draw and a compact footprint makes it an effective choice for common marine bilge duties. Strong practical value comes from reliable performance and easy retrofit, making it a sensible long-term option for many users.