G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D23/00—Control of temperature
G05D23/01—Control of temperature without auxiliary power
G05D23/12—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid
G05D23/121—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid characterised by the sensing element
G05D23/122—Control of temperature without auxiliary power with sensing element responsive to pressure or volume changes in a confined fluid characterised by the sensing element using a plurality of sensing elements
Dispositif de controle de l'ecoulement d'un fluide dans un circuit et de protection de la partie de ce circuit situee en amont du dispositif et installations pourvues de ce dispositif.
Dispositif de regulation thermostatique automatique pour une chaudiere mixte assurant une fonction de chauffage et une fonction de production d'eau chaude sanitaire prioritaire sur la fonction chauffage