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Circulating pumps ensure primarily the circulation of water in heating systems with radiators, but also within underfloor heating. They can also be used for circulating hot water in a home's plumbing system. Simply put, a circulating pump ensures the transport of heated water from the boiler to the heating elements, or even to the plumbing. Essentially, there are two types of pumps: old three-speed or three-stage pumps and modern electronic ones.
An improperly chosen circulating pump can cause thermal discomfort, uneven heating, unnecessarily high energy consumption, and a shortage or excess of hot water. If you want efficient, economical, low-energy, and environmentally friendly heating, focus your attention on selecting the right circulating pump.
If your circulating pump has worn out, you essentially have two options: have it repaired or purchase a new pump. The investment will naturally be higher in the case of buying a new pump, but the savings on energy will repay this investment many times over. Repairing an old circulating pump is actually a much more expensive option. How is that possible?
Old three-speed circulating pumps operate constantly. However, the heat requirements in a house vary, not only throughout the year but also during the day. Three-speed pumps cannot respond to these changing demands and operate at the same performance level continuously. It's a similar situation as if your gas boiler ran nonstop and heated already hot water, which no one currently needs.
Old three-speed pumps are no longer allowed to be sold in the European Union, but their repair is still possible. Although servicing a circulating pump is cheaper, this saving is lost in the overall operating costs. Therefore, if you have this outdated type of pump, we recommend replacing it with an electronic one, even if the old one is still working. In the case of new buildings, the installation of an electronic circulating pump is already a given, and even a necessity as stipulated by current legislation.
You already know that an electronic circulating pump is unequivocally better, higher quality, and more economical. But how do you navigate the wide range of options? Choose a circulating pump primarily with regard to the technical parameters of the heated building. If you are selecting a pump for a new building, the necessary data can be found in the project. However, if you are looking for a pump for an older building, you will need to find this information yourself.
Before selecting a circulating pump, find out the volume of the heating system and the water being circulated, or the number of radiators or the area of underfloor heating. Based on this, choose the required performance, referred to as maximum pump head, and possibly the number of pumps. For proper pump connection, you also need to know the spacing and diameter of the connection threads.
Modern circulating pumps are characterized by quiet operation, small size, and a simple design that ensures minimal failure rates and easy repairability of any faults.
And what does legislation say about heat pumps? Since 2013, only circulating pumps in the highest energy class A can be sold in the European Union. However, even within these, there are huge differences in consumption. If you are looking for a pump that will provide you with ideal thermal comfort at minimal operating costs, focus on the so-called AUTOADAPT function.
Circulating pumps Grundfos with the AUTOADAPT function are currently the ideal solution for saving energy on heating. This intelligent and truly revolutionary function is patented by Grundfos, and therefore you won't find it in any other circulating pump on the market. The Danish company Grundfos, with its 60 years of experience in the field and millions of pumps sold, is a leader in its field and a guarantee of quality and innovation.
The Grundfos pump with the AUTOADAPT function automatically evaluates which mode is ideal for the given heating system. In addition to constantly monitoring the ideal temperature, it also remembers when you heat the most and use hot water in your household. This pump regulates its operation based on your individual needs and daily routine. As a result, the pump consumes only the necessary amount of electrical energy for heating and water heating.
The Grundfos pump with the AUTOADAPT function can save you up to 80-90% of electrical energy on heating. Your total household energy bill can thus be reduced to just a fraction, and the return on investment in this pump is typically just a few years, sometimes even within one year.
Are you worried that you will have to constantly adjust this circulating pump? On the contrary, you don't have to monitor anything at all; the pump regulates and optimizes its operation entirely on its own. The smart Grundfos circulating pump responds very well to demand even in the case of heating, providing you with hot water immediately, and you will no longer have to run water from the tap. This not only increases your comfort but also saves water.
Equally significant is the substantially lower environmental impact of a modern pump with the AUTOADAPT function. With minimal energy consumption, this pump also has a minimal carbon footprint. Given the increasing demands for ecological standards, you can be sure that your pump will meet the norms even many years from now.
In our range of circulating pumps, you will find models from the most well-known manufacturers, Grundfos and Wilo.
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