All Bezzera models starting from serial number AM007675313 will be equipped with the inspect-able security valve (code 5965015.02). This new valve allows the maintenance of the anti-vacuum valve inside the security valve. In order to proceed with cleaning or replacement, please remove completely the entire valve from the boiler. The boiler must be cold and have NO steam pressure.
By keeping firmly the brass cylinder near the metallic ring (external safety valve) and unscrewing the inner cap with an allen key, it is possible to remove the anti-vacuum valve and proceed with its cleaning or replacement.
Note: During this operation, please be careful not to tamper with the external safety valve.
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