Choosing between two 12V submersible bilge pumps comes down to what you value more: a lower price with named standards, or a higher price with a clear promise about how the pump runs. The SEAFLO 01 Series and the High-Performance 4700 GPH Marine Bilge Pump both use a 2-inch outlet and are built for the same job in your marine pumps plumbing sanitation setup. They share the same 4700 GPH rated capacity and nearly identical dimensions, so the practical difference is in the price and the emphasis. Both pumps draw 17 amps and can lift water 26.2 feet, which puts them in the same performance class.
Quick verdict
If you want the same core specs with clearer details and a smaller price tag, the SEAFLO 01 Series is the sensible default. The High-Performance model asks a premium for a benefit the SEAFLO doesn't mention.
Quick comparison
| Product | Listed Price | What Stands Out |
|---|---|---|
| SEAFLO 01 Series 4700 GPH Bilge Pump | $99.99 | Names CE & RoHS certification; 4-year limited warranty |
| High-Performance 4700 GPH Marine Bilge Pump | $170.99 | Puts quiet operation at the front of its name |
Where each product wins
- SEAFLO 01 Series 4700 GPH Bilge Pump wins on price and clarity. It spells out the standards it meets and includes a warranty that covers the pump for four years.
- High-Performance 4700 GPH Marine Bilge Pump wins on the promise it makes in its name. If a noise-related promise matters to you, this model signals that benefit from the moment you read the title.
Product notes
SEAFLO 01 Series 4700 GPH Bilge Pump

This SEAFLO model is the lower-priced way to get a 12V marine bilge pump that shares the same outlet size and performance class as the High-Performance model. It names CE and RoHS certification directly in the title, so you know exactly which standards this pump claims to meet. SEAFLO also backs it with a 4-year limited warranty, a useful commitment for a component that lives below deck. For a boat owner who wants a straightforward replacement without paying extra for a noise-focused positioning, this pump gives you the essential rated output and a clear set of compliance marks. The main limitation is that this pump doesn't make a noise promise. If noise matters more than certification transparency or price, the High-Performance model addresses that concern head-on.
High-Performance 4700 GPH Marine Bilge Pump

This pump is the more expensive option at $170.99, which is $71 more than the SEAFLO. The extra money goes toward a clearer promise: quiet operation, stated in the title itself. It also says it's rated for safe underwater operation, but it doesn't identify the standard behind that claim. If you sleep near the bilge and you want a pump that advertises lower noise, this is the one that does. The trade-off is the price gap and the lack of a named standard. You pay a significant premium for the quiet-operation positioning without knowing exactly which benchmark the claim refers to. If quiet operation is non-negotiable, this model at least shows the manufacturer is addressing that need.
Final choice by use case
Buy the SEAFLO 01 Series if you want a lower price and a clearly identified standard. Buy the High-Performance 4700 GPH Marine Bilge Pump if the promise in its title is worth the extra cost to you.