A submersible septic tank pump is an extremely important device that must meet high standards and requirements. The main purpose of this pump is to effectively drain and pump waste from the septic tank to the sewage system or another place. What do you need to know about these devices?
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Submersible vs. submersible pump – what is the difference?
The terms " submersible pumps " and "submersible pumps" are often used interchangeably and refer to the same type of device. Both terms refer to pumps that are placed for the purpose of pumping or pumping fluids.
In some contexts, however, there may be a noticeable difference between the two. "Submersible pump" is a general term that refers to a pump that is completely submerged in a fluid, such as water. These types of pumps are usually equipped with a float or other safety features to protect them from running dry or overloading.
The term "submersible pump" may be more precise and refer to a device designed for a specific application - e.g. deep wells or swimming pools. Individual models in this group differ in terms of parameters such as lifting height, efficiency or ability to work in special conditions, e.g. with water with a high content of solid particles.
In practice, however, these terms are often used interchangeably and it is difficult to determine a specific difference between them.
How does a submersible pump work?
Submersible pumps are devices used for 
pumping or pumping water from various places. They are used, for example, in swimming pools, water holes, ponds or flooded buildings. Their operation is based on the principle of submerging the pump in water. Therefore, each element of the pump must be tightly sealed - this makes it possible to avoid short circuits during operation.
Another important part is the float. Its job is to control the liquid level and shut down the engine when it gets too low. This protects the pump from running dry and the potential damage that comes with it.
Submersible pumps are available in various types. The most important way of dividing them is the application of a given model. In this respect, we distinguish between pumps for clean water and for dirty water. In the latter group, we also distinguish plastic pumps, slurry pumps and septic tank pumps (equipped with a grinder).
How to connect a submersible pump for dirty water
Dirty water pumps are different from pumps for 
clean water mainly by their ability to handle various types of impurities. The former are designed to pump water containing large amounts of impurities – e.g. sludge, sewage or chemically aggressive liquids. This is possible thanks to more efficient motors and a more durable design. Efficient operation of a sewage pump depends on correct assembly. To avoid problems during its operation, when connecting a submersible pump, proceed in the following order of steps:
- preparation of the necessary assembly elements: primarily the check valve, pressure switches, cables and safety cable;
- screwing the pump into the check valve;
- connecting the supply pipe to the pump
- twisting of the head;
- securing the pump to the septic tank. For this purpose, a strong safety rope should be used;
- placing the pump in the septic tank;
- connection and configuration of other elements.
Before starting work, carefully read the submersible pump operating and installation instructions. The manufacturer's recommendations for safe use and maintenance may vary depending on the model.
Submersible pumps for dirty water at the Onninen wholesaler
In addition to correct assembly, the quality of the device is also of great importance for trouble-free operation. A submersible pump for dirty water should also be adapted to the specifics of a given application. That is why it is worth cooperating with good suppliers. In the Onninen shop, we not only offer pumps from renowned manufacturers, but also provide expert advice from our employees. Thanks to their advice, you will be able to buy a pump that is perfectly suited to your needs.