DHW pumps with threaded connection
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DHW pumps with threaded connections - the key to effective hot water circulation
DHW pumps with threaded connections are an essential element of every domestic hot water installation. They ensure efficient water circulation in the system. Thanks to them, hot water is available immediately after turning on the tap. This eliminates the need to drain water and wait for it to heat up. In our offer you will find a wide selection of circulation pumps from renowned manufacturers.
Grundfos, Wilo, Ferro and our own brand Onnline are the leading suppliers in this category. Each of these companies offers pumps with different parameters and applications. This allows you to choose the optimal solution for a specific installation. Our experience shows that the right pump selection is crucial to the efficiency of the entire system.
Types of DHW pumps with threaded connections available in our offer
The Onninen range includes a variety of circulation pump models. These include:
- Circulation pumps 15-180
- Circulation pumps 25-80
- Circulation pumps 25-120
- Drinking water circulation pumps
- DHW circulation pumps
- UPS circulation pumps
- Magna Circulation Pumps
Each of these models has its unique features and advantages. The 15-180 circulation pumps are perfect for smaller home installations. The 25-80 and 25-120 models are ideal for larger systems in multi-family buildings. Drinking water pumps have special certificates confirming their safety. The UPS series is an economical solution for standard installations. The Magna line offers advanced functions and the highest energy efficiency.
How to choose the right DHW pump with a threaded connection?
Choosing the right circulation pump requires taking into account several key factors. These include:
- Installation size
- Required performance
- Lifting height
- Water temperature
- Energy efficiency
In our daily practice we see how important it is to properly adjust these parameters. A pump that is too small will not provide adequate circulation. An oversized device will generate unnecessary costs. That is why we always advise our clients to consult their choice with an experienced specialist.
We often hear the question about the differences between threaded pumps and other types. Threaded pumps are easy to install and replace. They fit most standard installations. This makes them a popular choice for both new projects and retrofits.
Many customers ask us about the energy efficiency of DHW pumps. Our experience shows that modern models can significantly reduce power consumption. The Magna series pumps offer advanced energy-saving features. They automatically adjust their operation to the current demand of the system. As a result, they use up to 70% less energy than older models.
Recently, we used Grundfos MAGNA3 circulation pumps in a project for a large housing estate. Their intelligent control allowed us to optimize the operation of the entire installation. Residents noticed improved comfort and lower energy bills. This shows how important it is to choose the right equipment.
In the case of office reorganization, we most often encounter the challenge of effectively managing hot water. This is where pumps with a time programming function come in handy. They allow you to adjust the system's operation to the hours of use of the building. At night and on weekends, the pump operates with lower efficiency, which translates into savings.
Onninen recommends paying special attention to additional accessories for DHW pumps. Check valves prevent water from flowing back into the system. Thermal shields protect the pump from overheating. These elements significantly affect the durability and efficiency of the entire system.
From the perspective of our company, a comprehensive approach to the subject of DHW pumps is key. We offer not only the devices themselves, but also professional advice and technical support. Our specialists will help you choose the optimal solution and plan the entire installation.
DHW pumps with threaded connections are an investment in comfort and energy efficiency. A properly selected device will ensure reliable operation for many years. At Onninen you will find a wide selection of pumps from renowned manufacturers and professional support at every stage of project implementation. We invite you to contact us and take advantage of our experience in the field of hydraulic installations.



























