Bleed valves are used to remove air from the heating system. The valves are separate components in boilers or as part of a circulation pump.
Manual vent valves must be opened manually to remove air from the heating system.
Automatic valves automatically remove air from the system and do not need to be operated.
In our offer you will find both direct and side air relief valves with thread from 1/4 "to 1".
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