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Hocheffizienzpumpen

High-efficiency pumps from KSB: The latest generation of circulators

State-of-the-art circulators are available in many designs and suitable for many applications. Every high-efficiency pump meets the ErP regulations applicable since 2013.

State-of-the-art circulators are available in many designs and suitable for many applications. Every high-efficiency pump meets the ErP regulations applicable since 2013.

Saving energy with our high-efficiency pumps

Our high-efficiency pumps impress with their optimised hydraulic system and integrated variable speed system.  With thermal insulation shells fitted as standard the pumps transport fluids with temperatures between -10 and +110 °C. They are suitable for pumping heating water as well as refrigerants and for applications in industrial circulation systems.
Would you like to learn more? Discover our pumps in the product catalogue.

Benefits of a KSB heating pump

Innovative technology based on intensive research and comprehensive know-how: Our products offer you a myriad of benefits. The perfectly matched combination of hydraulic system and variable speed system makes our models unique.
  • Maximum savings of operating costs by high-efficiency technology
  • Future-proof through maximum energy efficiency: A variable speed circulator offers the highest of efficiencies with type-series-dependent energy efficiency indexes (EEI) undercutting current and future energy efficiency regulations already today.
  • Easy to operate with integrated display and symbols

Our high-efficiency pumps top seller

High-efficiency circulators for heating, ventilation and air-conditioning applications

Calio

Calio
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Maintenance-free high-efficiency flanged or screw-ended glandless pump with high-efficiency electric motor and continuously variable differential pressure control.

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Calio S Pro

Calio S Pro
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Maintenance-free high-efficiency screw-ended glandless pump with high-efficiency electric motor and continuously variable differential pressure control.

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Calio Z

Calio Z
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Maintenance-free high-efficiency flanged or screw-ended glandless pump in twin pump design with high-efficiency electric motor and continuously variable differential pressure control.

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High-efficiency drinking water pumps

CalioTherm S Pro

CalioTherm S Pro
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Maintenance-free high-efficiency variable speed glandless drinking water circulator, screw-ended, with electric motor and continuously variable differential pressure control for use in drinking water supply systems and hot water supply systems.

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High-efficiency pumps. Short explained.

This is how high-efficiency pumps work

High-efficiency pumps only start up when they are really needed. In this way, they use significantly less power. They automatically recognise any change in pressure in the pipelines and stop when no longer needed. Almost 90 percent of the entire operating time are in the so-called part load range. Demand-driven operation can therefore result in major savings.

Saving with high-efficiency pumps

Current models use about 50 to 100 kWh per year. Common circulators in heating applications clearly exceed this amount, consuming approx. 500 to 800 kWh. Our high-efficiency, variable speed circulators meet all requirements set by the Energy Efficiency Directive applicable since 2015 (EEI ≤ 0.23, step 2).
Replacing a fixed speed circulator with a more efficient model quickly pays back – usually within three to four years. Another advantage: Not only are the models highly economical to run; with their long service life they also save you money in the long term.

KSB circulators are versatile in use

In private households, commercial buildings or industry: High-efficiency pumps can be found almost everywhere. For example in cooling and general circulation systems. As heating, air-conditioning or ventilation pumps they provide buildings with the right climate.
They are also suitable for drinking water and service water treatment as well as for use in solar thermal energy or small geothermal systems and everywhere water has to be heated up.
Applications of KSB high-efficiency pumps:
  • Heating, ventilation and air-conditioning systems
  • One-pipe and two-pipe systems
  • Underfloor heating systems
  • Boiler or primary circuits
  • Storage tank circuits
  • Solar power systems
  • Heat pumps
  • Circulation systems