Heating and Sanitary Water: The boiler provides the hot water for the heating circuit continuously and as required. When sanitary water is required, hot water to the heating circuit is temporarily cut-off and sanitary hot water is provided by mean of a three-way valve and a secondary heat exchanger Only Sanitary Water: similar to the function of an instant water heater, the boiler only provides instant and continuous hot water as required, returning to a standby mode when the hot water tap(s) are closed.
Installation of the boiler on the wall and the connection of the water, gas, electricity and chimney to the boiler using the included kits
Yes, the piping needs to be changed in order to connect the heating circuit to the boiler instead of the central heating system.
Yes, BIG boilers are the only boilers in Iran that are certified by the Research Center of the Ministry of Housing.
Have the optional Iranian Standard
Engineering Society’s approval
Certified by the Research Center of the Ministry of Housing
Yes, in the case of electricity cut-off these boilers automatically go to stand-by and stop functioning.
The major difference is that in room-sealed boilers the combustion happens in a closed chamber and both the exhaust and air intake is done by the special dual chimney provided by BIG. Whereas in regular or open boilers the air required for combustion is provided from the installation area.
Yes, however please consult a certified BIG professional first.
Yes, by using the BIG boilers with built-in storage.
Manufactured in cooperation with Riello
CE certification of the boilers
The only available boiler with free installation kit
Support of the largest service network in Iran
Warranty backed by the largest spare parts distribution network in Iran
Highest efficiency and lowest operating cost of any available boiler
Largest range of models to choose from