G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
Dispositif de recyclage de l'eau chaude sanitaire dans un reseau de distribution dont le tube de recyclage est place a l'interieur du tube de distribution. dispositif applicable a d'autre fluides