
Recirculating pumps are used to pull water out of a livewell and push it back in. They are often used on boats and can be used in conjunction with aerator pumps, which pump oxygen into the livewell. This article will explore how recirculating pumps work and the benefits they offer for boat owners.
| Characteristics | Values |
|---|---|
| Function | Pulls water from the bottom of the livewell and runs it to a separate sprayer at the top |
| Installation | Requires a pump and nozzle |
| Use | Recommended for livewell use when on the run (across the lake) and when the boat is up on a lift |
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What You'll Learn

Recirculating pumps pull water from the livewell and push it back in
Recirculating pumps are used for livewell use when on the run, such as when crossing a lake. They pull water from the bottom of the livewell and push it back in at the top. This can be achieved without putting another hole below the waterline in the livewell. For example, you could use a Metal Marine livewell kit, mounting the pump on a livewell divider and the spray nozzle on the upper lip of the livewell.
Recirculating pumps provide no supply of oxygen or heat exchange. This is in contrast to aerator pumps, which work like an air compressor, pumping oxygen into the livewell. Aerators also do not exchange heat.
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Aerator pumps work like an air compressor, pumping oxygen into the livewell
Recirculating pumps pull water from the livewell and push it back in. They do not supply oxygen or facilitate heat exchange. Aerator pumps, on the other hand, work like an air compressor, pumping oxygen into the livewell. They do not exchange heat either. Aerator pumps are used in aquariums and are easier to install than recirculating pumps. They also have a simple on/off switch and no valves to remember to switch back and forth.
Aerator pumps are a good option for a boat's livewell, especially when the boat is on the run or up on a lift. They are also a good option for baitwells. Aerator pumps are similar to the pro air system that is tied into a recirculating pump.
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Recirculating pumps are used when the boat is on the run
Recirculating pumps can be installed with a livewell pump and a pump out. They pull water from the bottom of the livewell and run it to a separate sprayer at the top. They can be installed with a pro air system. Some boats have three different pumps for these three functions.
If you don't want to put another hole below the waterline in the livewell, you can try to use your existing drain hose. You can "T" in a pump between the livewell and the fill/empty valve and add a new nozzle in the livewell. You can also add a two-way nozzle that redirects the recirc pump. Another option is to buy a Metal Marine livewell kit and mount the pump on a livewell divider and the spray nozzle on the upper lip of the livewell.
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Without fresh water intake, the water will warm up
Recirculating pumps are used to pull water out of the livewell and push it back in. They do not provide a supply of oxygen or heat exchange. This means that without fresh water intake, the water will warm up.
The recirculating pump is an important part of a boat's livewell system, which is used to keep bait or fish alive. By recirculating the water, the pump helps to maintain a constant flow of water, which is essential for keeping the water temperature stable and the fish or bait healthy.
However, because recirculating pumps do not provide a supply of oxygen or heat exchange, they are not sufficient on their own to keep the water temperature cool. Without fresh water intake, the water in the livewell will gradually warm up, which can be harmful to the fish or bait.
To prevent the water from warming up, it is important to have a source of fresh water that can be added to the livewell. This can be done manually or through an automated system. Additionally, aerator pumps can be used to pump oxygen into the livewell, which can help to cool the water and provide oxygen for the fish or bait.
Overall, while recirculating pumps are an important part of a boat's livewell system, they should be used in conjunction with fresh water intake and aeration to maintain optimal water temperature and fish health.
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Recirculating pumps can be used in showers
A recirculating pump can be installed in a shower to create a closed-loop system, allowing water to be reused multiple times. This not only saves water but also reduces the amount of wastewater produced. The pump can be connected to the shower tray and a small second pump can be used to enjoy extended showering with mostly clean water.
One advantage of using a recirculating pump in a shower is the ability to maintain a consistent water temperature. Unlike traditional showers where the water temperature can fluctuate, a recirculating pump ensures that the water remains at the desired temperature throughout the shower duration. This is especially beneficial for those who prefer longer showers or have sensitive skin.
Additionally, recirculating pumps can help improve water pressure. By recirculating the water, the pump can increase the pressure and provide a more enjoyable showering experience. This is particularly useful in areas with low water pressure or when using a showerhead with multiple spray settings.
Overall, recirculating pumps offer a practical solution for showers, especially in spaces with limited water supply or where water conservation is a priority. By recirculating water, these pumps provide a continuous flow of hot water, maintain water temperature, and improve water pressure. They are an efficient way to enhance the showering experience while reducing water usage and wastewater production.
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Frequently asked questions
A recirculating pump pulls water out of the livewell and pushes it back in.
A livewell is a tank on a boat that holds live bait or fish.
An aerator pump works like an air compressor, pumping oxygen into the livewell. A recirculating pump does not add oxygen or facilitate heat exchange.
A recirculating pump is useful for livewell use when on the run, such as when you are crossing a lake.
Without fresh water intake, the water in a recirculating pump will warm up.











































