#A4#
#HEAT water#
#A251#
#cold water#
#hot water#
#MIX water
at set
temperature#
#A252#
#thermostatic
mixer#
#heating
resistor#
#electric energy#
#request to heat#
#warm water#
#BLOCK water
when not
needed#
#A253#
#electrovalve#
#controlled
stream of
warm water#
#water specifications
(temperature, presence)#
#specified
temperature#
#enable/block
flow#
#water supply
subsystem#