Bilge water, a flooded livewell, or a winterizing chore-when water has to move in a marine setting, the right 12V pump separates a quick fix from a lost afternoon. For marine pumps, plumbing, and sanitation tasks, two very different candidates stand out: a compact 240 GPH stainless steel utility transfer pump and a high-capacity 4700 GPH marine bilge pump. The decision is not just about price-it's about flow rate, electrical draw, and where you'll use it.
Quick verdict
For occasional water transfer, emergency baling, and light bilge duty, the 240 GPH utility pump gives you a solid, low-cost solution. If your boat needs serious water evacuation-think heavy rain, a leaking shaft seal, or a large cockpit-the 4700 GPH marine bilge pump is the faster, more capable choice. Choose the pump that matches your water-moving workload, not just the sticker price.
At a glance
| Feature | 240 GPH Utility Transfer Pump | High-Performance 4700 GPH Marine Bilge Pump |
|---|---|---|
| Price | $54.99 | $170.99 |
| Flow Rate | 240 GPH | 4700 GPH |
| Max Head | 23 ft | 26.2 ft |
| Outlet | 3/4" NPT male | 2" (50 mm) |
| Housing | Stainless steel | ABS plastic |
| Notable extras | Extra impeller included | Certified, quiet operation |
Where each pump wins
The 240 GPH utility pump wins when you want a low-draw, low-cost pump for smaller jobs. It pulls only 5 amps and can be used in boats, RVs, and general utility water transfer. For the money, you get a stainless steel housing and a spare impeller.
The 4700 GPH marine bilge pump wins when water volume is the priority. With 4700 GPH of flow, a 26.2-foot head, and a 2-inch outlet, it can clear a flooded bilge far faster. The anti-airlock protection and quiet, heavy-duty motor are designed for continuous marine duty.
12V DC Utility Transfer Pump 240 GPH Stainless Steel Bilge Marine Extra Impeller
At $54.99, this utility transfer pump is the lower-priced way to handle small water-moving chores. The stainless steel housing is built to survive marine moisture, and the included extra impeller gives you a ready spare when the original wears out. With a maximum head lift of 23 feet, it can lift water from a deep bilge or tank, and the 3/4-inch NPT outlet connects to standard fittings. The limitation is flow: 240 GPH is fine for a utility pump but painfully slow if you're trying to bail out a swamped boat. Its 5-amp draw is gentle on a battery, but that's exactly why it can't move water like a high-volume bilge pump.
High-Performance 4700 GPH Marine Bilge Pump - 12V, Certified, Quiet Operation
This high-performance bilge pump is the tool for real emergencies. Its 4700 GPH flow rate moves about 20 times more water per hour than the utility pump, and the 2-inch outlet helps you get that water over the side quickly. The motor is designed for continuous operation and is quiet for its class, while anti-airlock protection stops a common failure mode where trapped air stops the pump. It's also fully submersible, so you can mount it low in the bilge without worry. The trade-off is price and power: it costs $116 more than the utility pump, and it draws up to 17 amps normally (32.1 amps max), which means you need a battery bank and wiring that can handle the load.
Final choice by use case
If you're working on a small boat, RV, or general maintenance tasks, the 240 GPH utility transfer pump does the job without overloading your wallet or your battery. If you need serious marine bilge protection or want to move large amounts of water fast, the 4700 GPH marine bilge pump is the one to choose. Match the pump to the task, not the promise.
