Expansion tank, Sumak water booster membrane, EPDM membrane are made of hygienic, odorless, quality rubber material. When the heating circuit is activated, the water volume that expands with the heating of the water is collected in the booster tank, then when the temperature drops, this water returns to the installation and the pressure switch bar adjustment The pressure of the system is balanced with
Sumak Expansion Tank, there is a booster membrane, which is a balloon filled with air and suitable for stretching, inside the booster tank, which prevents the excess pressure resulting from adversely affecting the existing system and acts as a fuse.