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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.
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Main Applications

  • Drinking water circulation systems

Technical Data

  • Max. head6 m
  • Min. head1 m
  • Max. allowed working pressure10 bar
  • Max. allowed fluid temperature75 °C

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


  • 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

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

Characteristic curves

Sectional Drawings


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