EDER SPIROTECH Maintenance Unit 3/4" Male/Female Thread for Expansion Tank with Rotatable Drain Cock 1/4" - 0050307

EDER ELKO FLEX maintenance unit connection accessories for expansion vessels (EV) for their proper integration into the system and with all necessary functions for maintenance purposes: - Disconnecting the EV from the system using tools - water-side emptying for pre-pressure control - easy removal of the EV if required by means of a separating screw connection.