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It ensures that air formed in the installations is collected and disposed easily from the top of branch. The sleeve at the top of air tube is for air relief. It is recommended to install quality air relief to this sleeve.The sleeve at the buttom of air tube is neccessary to connect air tube to installation. While the air tube is connecting to the installation, air relief must facing the top. The air in the system and circulating in the system causes corrosion, serious failure, severe loss of efficiency and sound on installation.
– Allows the air in the system to be evacuated.
– The system constantly discharges air while the system is running.- Drain valve or air relief at the top air tube should be installed.