Shopping Cart

Country and language selection

International websites (English)  (Deutsch)


Americas / Oceania

Africa and Middle East

Asia / Pacific

Calio-Therm S Dry-installed pump
Dry-installed pump

Calio-Therm S

Maintenance-free high-efficiency variable speed glandless drinking water circulator pump, screw-ended, electric motor and continuously variable differential pressure control for use in drinking water supply systems and hot water supply systems.
See all documents and downloads

Main Applications

  • Drinking water circulation systems

Technical Data

  • Max. flow rate3.5 m3/h
  • Max. head6 m
  • Max. allowed working pressure10 bar
  • Max. allowed fluid temperature75 °C


  • Maximum savings of operating costs by high-efficiency technology combined with speed control
  • Easy to use with a combination of control keys, integrated display and symbols showing the operating status
  • High availability due to manual and integrated protective functions

Characteristic curves

Material number list – Calio-Therm S

2 products
NameComponent sizeNominal pressure inletMains voltageRated frequencyHead at max perm flowMax permissible flow rateCheck valveMotor connectorNominal size InletNominal pressure inletInstallation lengthWeightMaterial numberPrice
CALIO THERM S 25-40 B25-40PN 10230V50/60Hz4m2.5m3/hNoSpecialG 1 1/2 (DN40)PN 10180mm2.9 Kilogram29134995
upon request
Calio Therm S 25-60 B25-60PN 10230V50/60Hz6m3.5m3/hNoSpecialG 1 1/2 (DN40)PN 10180mm2.9 Kilogram29134996
upon request


TitleFormatSizeLast change
TitleFormatSizeLast change
Calio-Therm S (1157.831_EN)PDF6.24/19/2021
TitleFormatSizeLast change
Calio-Therm S (1157.53_EN)PDF2.274/19/2021
Substitution List Heating (1110.9_EN)PDF17.974/19/2021
TitleFormatSizeLast change
CALIO-THERM S (1157.523_EN)RTF0.084/19/2021

Technical Data

  • FunctionPump
  • Connection typeExternal-thread connection
  • Drive conceptWith electric actuator
  • Max. flow rate3.5 m3/h
  • Min. flow rate0.1 m3/h
  • Max. head6 m
  • Min. head1 m
  • Mains frequency50 Hz, 60 Hz
  • Mains voltage230 V
  • Casing materialX5CRNIMO17-12-2
  • Nominal pressurePN 10
  • Max. allowed working pressure10 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature75 °C
  • Min. allowed fluid temperature2 °C

Sectional Drawings

KSB - one of the world's leading manufacturers of industrial valves and pumps

Founded in 1871 in Frankenthal (Germany), KSB has been one of the leading suppliers of pumps and industrial valves for over 150 years. With more than 15,000 employees worldwide and its own sales and marketing, manufacturing facilities and service operations, KSB develops and produces custom-fit pumps for various applications.

As an experienced pump manufacturer, its product portfolio includes building and industrial technology, water transport, wastewater treatment and power plant processes. Thanks to innovative research and development, KSB can meet the most diverse requirements of customers. Benefit from many years of experience and technical expertise as a renowned pump manufacturer.

KSB pump manufacturers: the best solution for your plant
Industrial pumps and valves from KSB cover a wide range of applications and are highly energy-efficient. Products convince with the most innovative technology as well as with systems that have been tried and tested for many years - including the Etanorm water pump. Achieving more than 1.5 million sales worldwide, Etanorm is the most successful standard water pump. With KSB spare parts and services.

KSB ensures the operational reliability of its industrial pumps and valves. The KSB success formula for high-performance pumps lies in the technological strength in hydraulics, materials and automation.

Competent service right from the start
The numerous production facilities ensure that KSB as a pump manufacturer can guarantee customer proximity and first-class service. The experienced specialists are certified to ensure excellent quality and extensive experience. KSB Service takes care of the commissioning, inspection, servicing and maintenance of your pumps, valves and complete systems directly on site.  KSB also provide you with spare parts quickly. This means you get the best service directly from your pump manufacturer.