ENERGY BY NATURE
33
SAFETY VALVE
HOT WATER
COLD WATER
HYDRAULIC KIT
EXPANSION
VESSEL
BOILER
NUN-RETURN
VALVE
Connection with boiler
Connection with heat pump
SAFETY VALVE
HOT WATER
COLD WATER
HYDRAULIC KIT
EXPANSION
VESSEL
NON-RETURN
VALVE
BOILER
ELETTRICO
HEAT PUMP
Indicative schemes
6. INSTALLATION SCHEMES
The absence or the inefficiency
of non-return valve (compulsory
for regulations) must cause
damages to RADIASOL for
decompression of the system.
EDN recommends periodic
controls of the non-return valve
and its replacement every 5
years.
