Function
Adjusts the heating flow temperature to the radiator
to maintain the desired room temperature, indepen-
dently of the outdoor temperature. This is achieved
by admixing colder return heating water.
Indicates the boiler flue gas temperature.
Displays the hydraulic pressure in the heating sys-
tem.
Eliminates any air from within the heating pipes.
Prevents overpressure in the installation.
Maintains constant the pressure in the system and
accepts the expanding water.
Mixing valve
Flue gas thermometer
Pressure gauge
Air bleeder
Safety valve
Diaphragm expansion
tank
Water heater
Depending on the selected type of heating system, some of the components can be missing or some
might be added. The heating engineer will explain the system to you.
The heating water heated by the boiler is fed into the domestic hot water storage tank from where it is dis-
tributed to heat the rooms (radiators) or for heating the domestic hot water (water heater).
Mixing valve
Radiator or floor
heating
Heating pump
Wood burning
boiler
Domestic hot water storage tank
Flue gas thermo-
meter
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