Open the inlet valve of the radiator.
Rotate the lower valve of the radiator as opposed to the clock.
If the low valve of the radiator does not have a warhead, get help from the pliers to rotate it.
Sales agency and after-sales service of Iran Radiator in Tonkabon, Ramsar Nishtarood, sales, installation and after-sales service of Iran Radiator, sales and repairs of Iran Radiator engine house in Tonkabon.