62
PRODUCTS
Caleffi: thermostatic regulator for
domestic hot water recirculation circuits
Function
The thermostatic regulator is used for automatic
balancing of recirculation circuits in domestic hot water
distribution systems to ensure that all parts of the system
reach the required temperature.
The thermostatic regulator, installed on each branch of
the recirculation circuit, automatically maintains the set
temperature. This device modulates the medium flow
rate in accordance with the water inlet temperature by
means of the action of a dedicated internal thermostatic
cartridge. When the water temperature approaches
the set value, the obturator progressively reduces
the passage. The medium flow rate supplied by the
recirculation pump is thus distributed to the other
network branches, resulting in effective automatic
thermal balancing.
Operating principle
In domestic hot water distribution circuits, it is essential
to ensure that all sections are kept at the correct
temperature. The recirculation network must be balanced,
to avoid non-uniform temperature distribution.
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March 2020 Volume 26 I Number 01